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
2 answers