Free Fall Free Fall Examples

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Presentation transcript:

Free Fall Free Fall Examples Motion of objects moving freely under the force of gravity All objects falling near the surface of the earth accelerate at a constant rate of -9.8 m/s2 (neglecting air resistance) You Know … Vi = 0 a = g = +9.8m/s2 (make down +) Free Fall Examples A coin is dropped in a vacuum tube, find its displacement after .3 seconds. Find the coin's velocity after .3 seconds. A rocket is fired vertically upward with an initial velocity of 29 m/s. Find its height and its total time in the air. An object dropped on planet X falls 64 m in 4 seconds. Find the acceleration due to gravity on planet X.