Work, Energy and Power

Related Questions

• The coefficient of restitution e for a perfectly elastic collision is

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• A bomb is kept stationary at a point. It suddenly explodes into two fragments of masses 1 g and $3\;g$. The total K.E. of the fragments is $6.4 \times {10^4}J$. What is the K.E. of the smaller fragment

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• Two perfectly elastic particles P and Q of equal mass travelling along the line joining them with velocities 15 m/sec and 10 m/sec. After collision, their velocities respectively (in m/sec) will be

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• If the increase in the kinetic energy of a body is 22%, then the increase in the momentum will be

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• A body of mass 10 kg is dropped to the ground from a height of 10 metres. The work done by the gravitational force is $(g = 9.8\,m/{\sec ^2})$

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