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Escape Speed

The escape ve...

Question

The escape velocity for a body of mass 1 kg from the earth surface is $11.2 k m s^{- 1}$ . The escape velocity for a body of mass $100 k g$ would be

A

11.2 \times 10^{2} k m s^{- 1}

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B

112 k m s^{- 1}

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C

11.2 k m s^{- 1}

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D

11.2 \times 10^{- 2} k m s^{- 1}

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Solution

The correct option is A $11.2 k m s^{- 1}$
Escape velocity is independent of mass of body $.$
So $,$ body of mass $1 k g$ from the earth surface is $11.2 k m / s .$
Hence,
option $(C)$ is correct answer.

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