Evaluate the initial speed of the rock

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A 0.26 kg rock is thrownvertically upward from the top of a cliff that is 33 m high. Whenit hits the ground at the base of the cliff the rock has a speed of32 m/s.

(a) Assuming thatair resistance can be ignored, find the initial speed of the rock.

(b) Find the greatest height of the rock as measured from the baseof the cliff.

Reference no: EM13565951

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