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Standard X

Physics

Kinetic Energy

A bomb of mas...

Question

A bomb of mass 4 kg explodes in air into two pieces of masses 3 kg and 1 kg. The smaller mass goes at a speed of 90 m/s. The total energy imparted to two fragments is.

5.9 kJ

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3.8 kJ

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5.4 kJ

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2.4 kJ

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Solution

The correct option is C
5.4 kJ

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A bomb of mass 4 kg explodes in air into two pieces of masses 3 kg and 1 kg. The smaller mass goes at a speed of 90 m/s. The total energy imparted to two fragments is.

The correct option is C 5.4 kJ

The correct option is C
5.4 kJ