A diver springs upward with an initial speed of 1.9 m/s from a 5.0 m board. (a)

Question

A diver springs upward with an initial speed of 1.9 m/s from a 5.0 m board. (a) Find the velocity with which he strikes the water. (When thediver reaches the water, his displacementis y = -5.0 m (measured fromthe board), assuming that the downward direction is chosen as thenegative direction.)
____________ m/s

(b) What is the highest point he reaches above the water?
_____________ m (a) Find the velocity with which he strikes the water. (When thediver reaches the water, his displacementis y = -5.0 m (measured fromthe board), assuming that the downward direction is chosen as thenegative direction.)
____________ m/s

(b) What is the highest point he reaches above the water?
_____________ m

Explanation / Answer

using conversation of energy when comes down to that point (board)he will be having same speed but direction in downwards so v2=1.92 +2*9.8*5 =10.082 v=10.08 and highest point s=1.92 /2*9.8 =0.184 Total distance measured from water =5+0.184=5.184m

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