Find the time it took for the ball to reach the ground

Reference no: EM13541671

A ball is thrown downward from the roof of a 24 m tall building with an initial speed of 5 m/s.

(a) Use energy principles to find the speed with which the ball hits the ground.
(b) Find the time it took for the ball to reach the ground.
(c) If the ball were thrown upwards from the roof with the same speed repeat the calculations for parts (a) and (b).

Reference no: EM13541671

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