A ball is launched with an initial velocity of 28.5 m/s at a 45° angle from the top of a cliff that is 10.0 m above the water below. Use g = 9.80 m/s2 to simplify the calculations. Note: You could ar these questions using projectile motion methods, but try using an energy conservation approach instead. (a) What is the ball's speed when it hits the water? 22.3 X m/s (b) What is the ball's speed when it reaches its maximum height? m/s (c) What is the maximum height (measured from the water) reached by the ball in its flight? m

A ball is launched with an initial velocity of 28.5 m/s at a 45° angle from the top of a cliff that is 10.0 m above the water below. Use g = 9.80 m/s2 to simplify the calculations. Note: You could ar these questions using projectile motion methods, but try using an energy conservation approach instead. (a) What is the ball's speed when it hits the water? 22.3 X m/s (b) What is the ball's speed when it reaches its maximum height? m/s (c) What is the maximum height (measured from the water) reached by the ball in its flight? m

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter8: Conservation Of Energy

Section: Chapter Questions

Problem 71PQ: At the start of a basketball game, a referee tosses a basketball straight into the air by giving it...

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