# Answer on Mechanics | Relativity Question for stacey

Question #54122

An ball rolls off a cliff 21.0 m above the ground with an initial horizontal speed of 5.0 m/s. Acceleration due to gravity is 9.8 m/s2.

a) How long after leaving the top of the cliff does the ball hit the ground?

b) How far from the base of the cliff does the ball land?

a) How long after leaving the top of the cliff does the ball hit the ground?

b) How far from the base of the cliff does the ball land?

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