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Direction of Friction

A ball moving...

Question

A ball moving on a frictionless surface may have rotatory kinetic energy.

A

True

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B

False

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Solution

The correct option is A True

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Similar questions

Q. A ball moving on a frictionless surface may have rotatory kinetic energy.

Q. Two identical balls of masses

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each are kept on a frictionless surface as shown in the figure below. One of the balls moving at

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makes a head-on collision with the other at rest initially. It is observed that final kinetic energy of the balls is half of the initial kinetic energy. Find the coefficient of restitution.

Q. Two identical balls of masses

5 kg

each are kept on a frictionless surface as shown in the figure below. One of the balls moving at

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makes a head-on collision with the other at rest initially. It is observed that final kinetic energy of the balls is half of the initial kinetic energy. Find the coefficient of restitution.

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moving on a frictionless surface, collide head-on with speeds

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Q. Two balls of masses

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moving on a frictionless surface, collide head-on with speeds

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as shown in figure. If the coefficient of restitution is

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, then the kinetic energy lost by the balls is

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