Question: In a galaxy far, far away, a ball is dropped from a height of 109 m
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Question: In a galaxy far, far away, a ball is dropped from a height of 109 m onto a planet. The acceleration due to gravity on the planet is 3.94 m/sand the planet has no atmosphere, so air resistance is negligible. Give your answer with the correct number of significant figures, simplify and evaluate all your expressions as much as possible. Part 1) Write an expression to describe how the velocity of the ball changes with time as it falls. Assume it is dropped from rest at t = 0 s. Define the surface of the planet as y = 0 and the initial height of the ball Yo = 109 m. j m/s Part 2) Write an expression for the displacement of the ball as it falls. y = îm Part 3) How long is the ball in free fall for? Check
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