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Standard XII

Physics

Momentum

A body droppe...

Question

A body dropped from a certain height attains the same velocity as another falling with an initial velocity u from a height h below the first body. Which one of the following gives the correct expression for the square of the initial velocity of the second body $(u)$ ? (g is the acceleration due to gravity).

2

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Solution

The correct option is A $2$ gh

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The correct option is A 2gh

The correct option is A $2$ gh