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A particle is fired with a speed of 20k...

A particle is fired with a speed of `20kmh^-1`. The speed with which it will move in intersteller space is `(v_e=8sqrt2kmh^-1)`

A

`16.5kmh^-1`

B

`11.2kmh^-1`

C

`10kmh^-1`

D

`8.8kmh^-1`

Text Solution

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The correct Answer is:
B
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