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A child on a bridge throws a rock straight down to the water below. The point...

A child on a bridge throws a rock straight down to the water below. The point where the child released the rock is 51 m above the water and it took 3 s for the rock to reach the water. Determine the rock's velocity (magnitude & direction) at the moment the child released it. Also determine the rock's velocity (magnitude & direction) at the moment it reached the water. Ignore air drag.

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PAGE No DATE : 201 2. 2 2 4-4- 批 -44-t-5-t -31.7 msIf u have any Doubt ,Feel Free to ask.

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