PHYSICS
posted by RoCu .
A 0.26kg rock is thrown vertically upward from the top of a cliff that is 32m high. When it hits the ground at the base of the cliff, the rock has a speed of 29m/s.
1)
Assuming that air resistance can be ignored, find the initial speed of the rock
? m/s
2)
Find the greatest height of the rock as measured from the base of the cliff.
? m
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