# Dynamic

A stone is thrown up with a velocity of 20 m/s. While coming down, it strikes a glass pan, held at half the height through which it has risen and loses half of its velocity in breaking the glass.
Find the velocity with which it will strike the ground.

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1. A stone is thrown up with a velocity of 20 m/s from the ground. While coming down, it strikes a glass pan, held at half the height through which it has risen and loses half of its velocity in breaking the glass. Find the velocity with which it will strike the ground.

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