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A Ball Is Projected Upward at Time T = 0

Question 33

Multiple Choice

A ball is projected upward at time t = 0.0 s,from a point on a roof 90 m above the ground.The ball rises,then falls and strikes the ground.The initial velocity of the ball is A ball is projected upward at time t = 0.0 s,from a point on a roof 90 m above the ground.The ball rises,then falls and strikes the ground.The initial velocity of the ball is if air resistance is negligible.The time when the ball strikes the ground is closest to A) 9.4 s B) 9.0 s C) 8.7 s D) 9.7 s E) 10 s if air resistance is negligible.The time when the ball strikes the ground is closest to


A) 9.4 s
B) 9.0 s
C) 8.7 s
D) 9.7 s
E) 10 s

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