A coin is of mass 4.8 kg and radius one metre rolling on a horizontal surface without sliding with angular velocity 600 rotation/min. What is total kinetic energy of the coin ? |
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a) |
360 J |
b) |
1440 |
c) |
4000 |
d) |
600 |

A coin is of mass 4.8 kg and radius one metre rolling on a horizontal surface without sliding with angular velocity 600 rotation/min. What is total kinetic energy of the coin ? |
||||||||

a) |
360 J |
b) |
1440 |
c) |
4000 |
d) |
600 |

1 Answer

127 votes

**(b)**

Angular velocity is given by

600 rotation/min

Kinetic energy of coin which is due to rotation and translation is

127 votes

127