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free fall motion physics Captions. When this happens, an object may be falling, but it is not in free fall. On earth gravity is the force pulling us towards the ground. 5 1 5 50 125 4 40 80 3 30 45 2 20 20 1 10 5 0 0 0 distance (m) speed (m/s) time (s) Motion with constant 4. In projectile motion, t is the same for both the x-direction and y-direction. In certain physics books, it is called vertical upward motion. The roof is 6. the second equation of motion is. An object is falling freely when it is falling under the force of gravity only. We then measured the distance between the landing pad and the ball, which was kept at 74 cm. 45 4. (g > 0 by definition ) The term free-fall means that the only force acting on the object is gravity — no other forces are acting, no air resistance, just gravity. Figure 3. At the peak, MJ has a velocity of 0. The free fall definition is the movement of an object or body only under the influence of gravity. In fact, astronauts experience weightlessness in a spacecraft also because they are free falling Jun 10, 2011 · #Free fall of a body #We are solving two first order differential equations by Euler method #1. Vertical Motion and Free Fall - Physics Video | Clutch Prep. Objectives: Compare the motions of different objects in free fall. The most common form of free fall is something in orbit. Dasha is exploring an old abandoned mine with a group of friends in when their lantern fails. ! iVertical Motion!! •y = vertical displacement [m]! •a y =-10m/s2 or -9. In order to clarify the whole phenomenon, we are going to study the free fall as a motion. Any object that is being acted upon only by the force of gravity is said to be in a state of free fall. Although g varies slightly in different parts of the world, its average value is nearly 10 m/s2. For extra resources, te Since external force is acting on the ball, the motion will be accelerated. Nov 26, 2020 · Motion graphs for free-fall. The negative sign simply indicates this acceleration is always downward. Ch 01: Intro to Physics; Units. 3. In terms of relativity free fall is motion along a geodesic which is the four dimensional equivalent of a straight line. This question is Free Fall Formula. Place the motion sensor on the floor and cover it with a protection basket. -9. Use Newton’s Laws of Motion to find the acceleration of the object. Figure 1: This graph from David Chandler’s “Destruction of the World Trade Center North Tower and Fundamental Physics” (Journal of 9/11 Studies, February 2010) shows that the North Tower’s upper section traveled at nearly uniform downward acceleration of -6. Physics Education, v40 n3 p266-273 May 2005 A teaching--learning sequence is presented that is designed to help high school pupils gain awareness about the independence of the vertical and horizontal components of free fall motion. Jan 08, 2016 · PHYSICS WORKSHEET B FREE FALL NAME: _____ DATE: _____ v V dgt v 1 2gt 2 t 2d v g 1. At the beginning, it has low speed and until the end it gains speed and before the crash, it reaches its maximum speed. Light objects accelerate more slowly than heavy objects only when forces other than gravity are also at work. 5:56 Common Misconception: Objects moving upward can be freely falling. How to use free fall in a sentence. All Chapters. The initial velocity (u) is zero. Instructions. I’ve also included a video that explains the graphs of motion for an object thrown upwards and experiences free fall. This acceleration due to gravity near Earth's surface Displacement is -300 becuase it 's time required to fall. Understand that the acceleration due to gravity is constant (9. Anytime an object moves vertically, either going upwards, or going downwards, we say it is in Free-fall. We drop something accidentally or purposely and see its motion. Free Fall: Newton’s Second Laws of Motion. The acceleration in this motion is constant A free falling object is an object that is falling under the sole influence of gravity. There are two important motion characteristics that are true of free-falling objects: where v2 and v1 are the average velocities over any two successive time intervals t. 8 m/s2 should be used for the Jul 06, 2020 · For a freely falling body, the initial velocity is zero and the body travels with an acceleration equal to the acceleration due to gravity which is positive. 2 through Equation 3. t = 1. It is a uniformly accelerated rectilinear motion or constant acceleration motion in which the acceleration is gravity. Objects fall because they are pulled towards the Earth by the force of gravity. Free Fall Problems. -6 - 0 = 0 + ½ (-9. But the rocking motion is periodic and tends to cancel out in the average value of the acceleration, and the average acceleration obtained from the 19 position measurement was 980. There are two important motion characteristics that are true of free-falling objects: Free-falling objects do not encounter air resistance. If an object is dropped, then its initial velocity is 0 m/s. Science · Class 9 Physics (India) · Gravity · Motion of objects in the influence of gravitational force of earth Free fall 1 body - solved example Google Classroom Facebook Twitter Free fall is a great example of motion with a constant acceleration. Observe the Velocity vs. Top up the water bottle and put your finger over the hole. In reality, of course, these events unfold in the three-dimensional world, but for introductory physics purposes, they are treated on paper (or on your screen) as two-dimensional: x for right and left (with right being positive), and y for up and down (with up being positive). Velocity is defined as gravity x time. Dec 22, 2019 · Projectile Motion Free Fall | A Level Physics. It is a motion of a body where its weight is the only force acting upon it. 80 m/s 2 ), which is directed downwards, and thus requires an obligatory negative sign. In this experiment, you will use the free fall of an object to determine the acceleration due to gravity g. Equations. s = u t + 1 2 a t 2. 693 | 2 | 0. 8 m/s2) and downward toward the center of the Earth. The free-fall apparatus has an electromagnet to hold the object until the record of its fall is to be made. Free-Fall Motion means an object moving under the influence of gravity only. Equipment. The video could not be loaded, either because the server or network failed or because the format is not supported. Questions about weightlessness are likely to come up when discussing satellite motion. Learner Video. Acceleration depends on force (weight) and inertia. Another goal of the experiment is to study the effect of air resistance. T he free fall motion of coconut (figure 1) and the motion of a ball thrown vertically up ward to the highest poin t by a student (figur e 2). Note that after falling I second the speed reading is 10 It is the result of curved spacetime. E)Speed after falling 100m. 8 m/s2 (except in problem 5) and ignore air resistance. Now toss the basketball up and let it fall on the motion sensor. X = . Images. It is approximately 9. Free Fall motion. INTRODUCTION: A free falling object is an object that is falling under the sole influence of gravity. Time graph. Download the video lesson worksheet. dv/dt=a initial condition v0 from pylab import* from math import* a=-9. 31 m/s 2 (with an R 2 value of 0. Free fall means that an object is falling freely with no forces acting upon it except gravity, a defined constant, g = -9. The acceleration of the object is -9. The Moon is in free fall, as is the ISS. A practical application of motion with constant acceleration is the motion called free fall. It should be noted that if an object experiences one of the three conditions above, the object is said to do the free-fall motion. 0 m/s. Any object that is being acted upon only by the force of gravity is said to be in a state of free fall . Science (physics, chemistry, biology) resources for Keystage 3, 4, and 5 (GCSE and A-level). Dec 22, 2020 · Projectile motion is a classic category of free-fall problems. However, in a vacuum, they fall at the same rate. Let now explain explain this trick in detail. Here’s a worksheet for projectile motion in A Level physics. Let us find the value acceleration due to gravity during free fall. 0 m from the ground. Free-Fall Problems Free-fall is when an object is only acted on by gravity. Both speed and distance are zero at time = zero (see sketch). In a vacuum, all objects fall at the same speed, as astronaut David Scott once showed on the Moon. Since all forces produce an acceleration (Newton's second law of motion), we expect objects to accelerate toward earth's surface due to this gravitational attraction. 5 seconds to hit the ground. a. 01 #time step size ydat=[y0]#position data stored here Physics Free Fall Motion. The earth’s gravitational force tends to pull everything towards its centre. Subject: Physics Topic: Lecture. Unit 2 Segment E: Free Fall. The value of g is very different on the surface of the Free Fall IB PHYSICS | MOTION. Relate the motion of a freely falling body to other motion with constant acceleration. 8 m/s22. On the Earth surface, the acceleration of the gravity can be considered constant Kinamatics of Class 11. (easy) Determine the velocity of the rock as it hits the ground. 2. This motion is called free fall and the constant acceleration is called the acceleration of gravity and is denoted by either a "g" or an "a g". 8 m/s2. Practically, free-falling can only take place in a vacuum. Let’s find out 3 graphs for free-fall: (1) Displacement-time graph (2) Velocity-time graph (3) Acceleration-time graph. 5 Free Fall: How Fast 4 Linear Motion For free fall, it is customary to use the letter g to represent the acceleration because the acceleration is due to gravity. Both have the same acceleration—the acceleration due to gravity, which remains constant the entire time. 05% from the standard value. Unit 2 Segment E: Free Fall We head to a football stadium to explain freefall as we work through Holt Physics: Free Fall - One Dimensional Motion. Read both options and complete only one of them. When a falling object is free of all restraints – no friction – and falls under the influence of gravity alone, the object is in a state of free fall. This simulation gives the ability to measure the acceleration of gravity by taking successive shots of the falling object with recording the time of each shot and measuring the coordinate y for each shot. No equations are necessary as one could use a slow motion camera to determine if the two objects fell at the same time. Solution : Figure 1 = free fall motion = Acceleration. V = a * t. Oct 20, 2019 · 3. where a is the acceleration, V is the velocity, and X is the displacement from an initial location. Chapters. Drop the basketball and note the slope of the Velocity vs. Time graph and again note the slope. PHYSICS 149: Lecture 11 • Chapter 4 – 4. 997), or 64% of free fall. 4. 5. Physics Demonstrations. 4 Motion of Projectiles Lecture 11 Purdue University, Physics 149 1 Finally, note that free-fall applies to upward motion as well as downward. For the free-fall ride, both you and the "doughnut" fall under gravity with the same acceleration. Let’s assume the body is falling in a straight line perpendicular to the surface, so its motion is one May 13, 2021 · Knowing the acceleration, we can determine the velocity and location of any free falling object at any time using the following equations. Note that our vertical motion equations will then have a vertical acceleration ay = –9. captions off. The equation of the free-fall motion. Our objective in this May 13, 2021 · An object that moves because of the action of gravity alone is said to be free falling. 00 cm/s 2! Compared to the standard value of g for Atlanta, which is 979. Free fall is motion under the influence of gravity (g) only. Any object that is being acted upon only by the force of gravity is said to be in a state offree fall. This force is known as the pull of gravity or the earth’s gravitational force. Intuitive physics of free fall 465 uniformly accelerated motion, is that the speed of an object at the end of a free fall (final speed) increases with its height of release. For acceleration to occur, there must be a force acting on an object. In physics, free fall is the (one-dimensional) motion of any object under the influence of gravity only - no air resistance or friction effects of any kind, whereas it is air resistance that makes skydiving a hobby rather than a suicide attempt! Jan 24, 2020 · Freefall is defined either according to Newtonian (classical) physics or in terms of general relativity. y - yo = vot + ½at2. It is air resistance that makes the paper fall slowly, and the coin pushes the air out of the way for both itself and the paper when you drop them together. • Every second, its speed increases by 10 m/s. Acceleration is equal when air resistance is negligible. Astronauts training in the famous Vomit Comet, for example, experience free-fall while arcing up as well as down, as we will discuss in more detail later. 80665 "m/s"^2 (see below) In situations where a particle is in free-fall, the only force acting on the object is the downward pull due to earth's gravitational field. We then released the ball from the apparatus and recorded the time it took the ball to fall. A free falling object is an object that is falling under the sole influence of gravity. Thus, free fall is the motion of an object under the influence of gravity alone, neglecting air Apr 01, 2014 · For a massive object like a skydiver in free fall, the drag force is proportional to the square of the speed v and is given by F D = −½C D Aρv 2. The answer can be easily found by analyzing the second half of the motion - from the peak to the floor. 5 cm/s 2 , this value only deviates 0. there is no initial velocity for y. 1. Describe how the values of the position, velocity, and acceleration change during a free fall. Experiment 2 – Free Fall and Projectile Motion Objectives Learn how to solve projectile motion problems. If the object falls through the atmosphere, there is an additional drag force acting on the object and the physics involved with the motion of the object is more complex. Solve algebraically first before you plug in the numbers. Aug 02, 2018 · Physics in Motion. WRONG THEORY : The study of falling objects was first formalized by Aristotle who based his conclusions on the theory of the four elements, air, water, fire, and Earth. • Since we know how to deal with constant acceleration, we can also solve problems involving free Falling objects form an interesting class of motion problems. The gravitational acceleration is the acceleration of an object due to the pull of the gravitational force. ← Video Lecture 13 of 134 → . The statement free fall means object falling in absence of air resistance. v = 0 + gt. The second is that final speed is substantially independent of mass, at least for heights of release with which people are familiar (see the discussion above). Ch 02: 1D Motion / Kinematics Worksheet See all chapters. Practice Problems: Free Fall Solutions. An object that is moving vertically through the air with no physical constraints on its motion is said to be in free fall. 1 - Free Fall Author: Free Fall of a Basketball with a Motion Sensor. Each half of the motion takes 1. To find the acceleration you will time how long it takes the object to fall and use a kinematic to calculate its acceleration. Things fall because of the force of gravity. 4:41 The Acceleration due to Gravity - Not on Earth. The correct answer is A. It also enables us to check the famous free fall equation: y = (1/2) gt² محاكاة جديدة تحاكي السقوط Nov 16, 2011 · The events referred to above in Physics as a free fall, which is a straight motion uniformly on a vertical trajectory. How fast was the rock traveling as it struck the ground? DATA EQUATION MATH & UNITS ANSWER 2. What’s happening? Now step outside or into an area that can get wet and place the bucket under the step stool. v = u + at. An object in free fall is said to be ‘weightless’ but is better described as ‘apparently weightless’. In free fall, no forces other than gravity act. All free-falling objects increase their speed at the same rate of 10m/s every second, that is, they experience constant acceleration of 10ms^(-2) (acceleration due to gravity). Use the definition of acceleration and the initial position and velocity to find the motion. First, we prepared the freefall apparatus for our testing purposes. We followed our recipe to understand the motion of a free falling object with air resistance. May 26, 2020 · A new simulation, that simulates the free fall of an object (ball). Remember, d = 1/2a t 2 is the equation for an object that starts at rest. Viewed 617 times 0 $\begingroup$ Closed. Free Fall Lab In this lab you will allow an object to fall from various heights and examine its acceleration. The acceleration is -9. Here u = 0 , g = +ve, The first equation of motion is. If a relatively compact object falls near the surface of the earth and its speed is low it approximates free fall quite well. A rock is dropped from a garage roof from rest. Physics: Free Fall Motion. Pretend that a speedometer and odometer are attached to the rock to show readings of speed and distance at 1- second intervals. Active 5 years, 7 months ago. and if you solve for t = 6. I can interpret a free fall problem to identify hidden Physics - 1. Example: When you drop a rock from a cliff? FREE FALL EQUATIONS ! Remember all motion is in the vertical plane during free fall. ∴v = gt. Once the hole is made, fill the water bottle three-quarters full with water and hold the bottle over the sink. Free falling objects have only the force of gravity acting on them (if we ignore air resistance) so the acceleration of a free falling object will be equal to the acceleration due to gravity. Free fall can be something moving in free space. It has the unit of ms-2 followed by a downward motion from the peak to the starting position on the floor. Problem: Use the kinematic equations with the variables y and g to analyze free-fall motion. 3. However, for extra measures, the equation Vf = V0 + at could be used, where Vf is the final velocity, V0 is the initial velocity, a is the gravity, and t is the time in which the object hits the ground. This free-fall acceleration is also known as acceleration due to gravity. To demonstrate weightlessness in free fall. As a result, the "doughnut" acts no forces on you. Jun 15, 2000 · Free fall is probably the easiest situation to simulate using the Interactive Physics program - all you do is create an object, and let it go! The Problem: We will set up the simulation to solve the following problem: One of the most important lessons which students learn during their studies is that there are generally many different paths to the same result in physics. A ball is thrown with an initial upward velocity of 5 m/s. In this lesson we practice using the equations of motion to solve projectile motion problems. Oct 31, 2017 · This proved Aristotle's theory incorrect and became the basis for the idea of free fall motion. Here A is the cross-sectional area of the object perpendicular to the direction of motion, which we’ll assume to be vertical when we turn to Baumgartner’s jump; ρ is the air density; and C D Falling objects form an interesting class of motion problems. . If the object falls through the atmosphere, there is an additional drag force The two quantities are independent of one another. It can be something falling due to gravity. so if you plug the numbers that are given, -300=1/2 (-9. During the lesson, watch and listen for instructions to take notes, pause the video, complete an assignment, and record The acceleration of free fall, g, is defined as: The acceleration of any object in response to the gravitational attraction between the Earth and the object Any object released on the Earth will accelerate downwards to the centre of the Earth as long as there are no external forces acting on it Experimental fact: In free-fall, near the surface of the earth, all objects have a constant downward acceleration with magnitude g = +9. -20 is the initial velocity. APPARATUS. 8m/s2 for lab work! •t = time of flight [s]! •v iy = initial vertical velocity [m/s]! •v fy = final vertical velocity [m/s]!! 21! V fy =V y +a y t y=V iy t+ 1 2 a y t 2 y= 1 2 Jan 03, 2016 · Free fall is a kind of motion that everybody can observe in daily life. dy/dt=v initial condition y0 #2. 2 second fall for around 20 cm. Very close, but not quite. 1: Intro to Physics 2: Physics Converting Units 3: Physics Dimensional Analysis 4: Trigonometry:Vectors vs Scalars 5: Trigonometry: Combining Vectors 6: Trigonometry Decomposing Vectors 7: Intro to Trig Review 8: Trig Review & Using Arctan 9: Using Sine and Cosine 10 Jun 10, 2011 · Free fall. Thus, free fall motion is also popularly known as the acceleration due to gravity. A rock dropped from the top of a cliff picks up speed as it falls. In this experiment you will use the free fall of an object to determine the acceleration due to gravity g. However, it is illuminating to re-examine this problem from the point of view of energy conservation. 5 seconds. 80 m/s 2. Description. Teflon beaker with 50 gram mass attached to the bottom by a rubber band, as photographed. Newton’s second law provides an explanation for the equal accelerations of freely falling objects of various masses. For example, we can estimate the depth of a vertical mine shaft by dropping a rock into it and listening for the rock Weightlessness In Free Fall - Mass In Beaker Purpose. 8 is the gravity of free fall. His trademark is a falling object without initial velocity (v o = zero). Freefall motion is an example of nonuniform linear motion, therefore the equation of the free-fall motion is We head to a football stadium to explain freefall as we work through an example problem finding the maximum height of a thrown object. We then proceeded to attach the first ball to the apparatus. 6. 1 s. Determine the kind of both motion s. In this experiment the acceleration of gravity, g, will be determined directly from the motion of a freely falling object using equations 3 and 4. 8) (t^2)-20t. ) A rock is thrown out of a volcano. There are two key, critical concepts that we must understand when discussing objects in Free-fall motion: Use the kinematic equations with the variables y and g to analyze free-fall motion. • Also it does not fall equal distances in equal time intervals 0. ) Nov 06, 2021 · Free fall definition is - the condition of unrestrained motion in a gravitational field; also : such motion. Free fall. 0 % complete. Motion that occurs solely under the influence of gravity is called free fall. 6:35 Free-Fall is Uniformly Accelerated Motion. (final velocity)^2- (initial velocity)^2=2 Mar 01, 2013 · Free Falling. Understand that the horizontal motion and the vertical motion are decoupled. Free fall occurs whenever an object is acted upon by gravity alone. Uniformly Accelerated Motion: Free Fall. Jul 21, 2017 · g = 9. Show your work. 08/02/2018 | 6m 31s | Video has closed captioning. In the absence of air resistance all falling bodies have the same acceleration due to gravity, regardless of their sizes or shapes. 22 is called free fall, which describes the motion of an object falling in a gravitational field, such as near the surface of Earth or other celestial objects of planetary size. Then, we’ll look at both dimensions simultaneously. To find this, we take one assumption that the height from which the ball is dropped is very small as compared to the radius of An interesting application of Equation 3. The acceleration caused by this external force on the object, hence the motion of the object will be accelerated. The intrigued fact whether the free fall depend on body mass, that dates back to May 27, 2003 · Introduction. 3 Free Fall – 4. 1hr & 22mins. When considering this second half: Use d = v o Physics 303: Motion of Falling Objects. Step up onto the step stool and hold out the water bottle over Freely falling body will in the first 0. Motion of falling objects: Initially, the only force acting on the falling object is its own weight. Also Read: FreeFall FAQs. In classical mechanics, free fall describes the motion of a body when the only force acting upon it is gravity. (easy) Determine how long it takes the rock to hit the ground. Problem # 1. Free Fall 4. There are two important motion characteristics that are true of free-falling objects: Vertical Motion & Free Fallby Clutch. The difference, in air, is due to air resistance having a greater effect in light bodies than on heavier bodies. 046seconds. A secondary goal of the experiment is to study the effect of air resistance. 4 through Equation 3. 8 m/s2 for an object near the surface of the Earth. In air, a coin falls faster than a piece of paper. Free-Fall Motion “Free-fall” motion is a Uniformly Accelerated Motion that takes place in a vertical direction. Start. Free falling is a motion under force of gravity as the only force acting on the moving object. Before viewing an episode, download and print the note-taking guides, worksheets, and lab data sheets for that episode, keeping the printed sheets in order by page number. In one Jun 01, 2011 · Since an object in free fall is only experiencing the force of gravity, then it will experience the acceleration due to gravity (of magnitude 9. 8 #acceleration v0=0. 8 m/s 2. We will take the downward direction of the motion as positive to draw motion graphs of an object undergoing free-fall. In free fall, an object falls vertically from a certain height H disregarding any kind of friction with the air or any other obstacle. 5 * a * t^2. 1: Two stones are dropped from the same height and in time Lesson 8 : Free Fall of motion. Figure 2 = vertical motion = Deceleration. With no supporting force from the ground or other objects, you will experience weightlessness. b. Worksheet. Gravitational Acceleration. 0 #initial velocity y0=100 #initial height t=0 #initial time h=0. They feel Mar 06, 2016 · Free Fall Motion in Physics [closed] Ask Question Asked 5 years, 7 months ago. Option One. How does free fall affect the motion of objects that are thrown upward or downward compared to those that are just dropped? The lesson (90-min block): After investigating free fall in the laboratory, students can build or use a Vensim/STELLA model, Excel spreadsheet or an Interactive Physics simulation to further investigate free fall. Calculate displacement, velocity, and time at various points in the motion of a freely falling object. The distance the object falls, or height, h, is 1/2 gravity x the square of the time falling. The more downward motion of objects more quickly. The required equations and background reading to solve these problems are given here, for θ = 90°. Nov 05, 2020 · An interesting application of Equation 3. Now, we have already analyzed free-fall under gravity using Newton's laws of motion. 5:24 g is not constant on Earth. When it started to fall, it took 9. Free fall – velocity and distance • If you drop a ball from the top of a building it gains speed as it falls. On this page I put together a collection of free fall problems to help you understand the concept of free fall better. Because free Jul 27, 2001 · To a physicist, the term "free fall" has a different meaning than it does to a skydiver. Section 2-3: Falling Objects. 8)t2. For objects in free fall the force is equal to acceleration, which on earth is 9. This lecture broedly focus on Free Fall, in terms of Newton’s Second Free-fall Physics: 1-D Motion Practice Midterm For objects in “free fall” use g = 9. Thus, there is a little chance to catch the dollar. 14 is called free fall, which describes the motion of an object falling in a gravitational field, such as near the surface of Earth or other celestial objects of planetary size. Today, we’ll look at objects moving in the vertical. Physical Sciences / Grade 12. Find the forces acting on the object. Solve for the position, velocity, and acceleration as functions of time when an object is in a free fall. Using Newton’s laws of motion students will demonstrate the relation between mass, force, and acceleration during free-fall. Sep 04, 2012 · Introduction to Free Fall Motion. 1-D Motion: Free Falling Objects So far, we have only looked at objects moving in a horizontal dimension. Free Fall: Motion with constant acceleration • According to Galileo, in the absence of air resistance, all objects fall to earth with a constant acceleration a = g 10 m/s2 • g is the special symbol we use for the acceleration due gravity. A small mass is attached to the inside center of a beaker using a rubber band. The value of the acceleration due to gravity depends on both latitude and altitude. The "modern" study of objects in free fall near the Earth's surface was begun by Galileo some 400 years ago. Where accuracy is important, the value of 9. For example, we can estimate the depth of a vertical mine shaft by dropping a rock into it and listening for the rock Oct 30, 2014 · Free Fall, Hang Time, and Projectile Motion Worksheet d = d + v ∙ t + ½ ∙ a ∙ t 2 v = v + a ∙ t Hang Time: time = time time = 2 ∙ time These equations can be used to solve for the motion in the x-direction and y-direction. 4 Classical/quantum motion in a uniform gravitational field: free fall andtheharmonic oscillator Generalsolutionof ¨ x = −ω 2 x reads x ( t )= a cos ωt +( b/ω )sin ωt . free fall motion physics

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