A shell of mass m moving with velocity v suddenly breaks into 2 pieces. The part having mass m/3 remains stationary. The velocity of other part will be

\frac{2}{3} v

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\frac{7}{5} v

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\frac{3}{2} v

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None of these

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Solution

The correct option is D $\frac{3}{2} v$
By conservation of momentum principle
$2 m / 3 \times v^{'} = m v ⟹ v^{'} = 3 v / 2$

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A shell of mass m moving with velocity v suddenly breaks into 2 pieces. The part having mass m/3 remains stationary. The velocity of other part will be

The correct option is D 32vBy conservation of momentum principle2m/3×v′=mv⟹v′=3v/2

The correct option is D $\frac{3}{2} v$
By conservation of momentum principle
$2 m / 3 \times v^{'} = m v ⟹ v^{'} = 3 v / 2$