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A rock is thrown upward from the ground. Find the change in height in the last 1.5 sec.

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A rock is given initial upward velocity of 49 m/sec at ground level. Find the change in height in the last 1.5 seconds of its upward motion.

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Solution Summary

The expert finds the change in height in the last 1.5 seconds. In a step by step solution, the calculations and explanations are clear.

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Step 1.
At the highest point, the velocity is zero. Therefore, the total rise time is:
(1) t=(Vf - Vo) / (-g)
By substituting knowns ...

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