A body of mass $0.25 k g$ is projected with muzzle velocity $100 m / s$ . from the tank of mass 100kg Calculate the recoils velocity of the tank.

0.25 m / s

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0.5 m / s

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5 m / s

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25 m / s

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Solution

The correct option is D $0.25 m / s$
Using law of conservation of momentum,
$M_{b o d y} \times V_{b o d y} = M_{t a n k} \times V_{t a n k}$
we get $100 \times v = 0.25 \times 100 ⟹ v = 0.25 m / s$

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A body of mass 0.25kg is projected with muzzle velocity 100m/s. from the tank of mass 100kg Calculate the recoils velocity of the tank.

The correct option is D 0.25m/sUsing law of conservation of momentum, Mbody×Vbody=Mtank×Vtankwe get 100×v=0.25×100⟹v=0.25m/s

A body of mass $0.25 k g$ is projected with muzzle velocity $100 m / s$ . from the tank of mass 100kg Calculate the recoils velocity of the tank.

The correct option is D $0.25 m / s$
Using law of conservation of momentum,
$M_{b o d y} \times V_{b o d y} = M_{t a n k} \times V_{t a n k}$
we get $100 \times v = 0.25 \times 100 ⟹ v = 0.25 m / s$