A solid sphere is rolling without slipping on a horizontal surface. The ratio of its rotational kinetic energy to its translational kinetic energy is |
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a) |
2/9 |
b) |
2/7 |
c) |
2/5 |
d) |
7/2 |

A solid sphere is rolling without slipping on a horizontal surface. The ratio of its rotational kinetic energy to its translational kinetic energy is |
|||||||

a) |
2/9 |
b) |
2/7 |
c) |
2/5 |
d) |
7/2 |

1 Answer - 5876 Votes

3537

The kinetic energy of the solid sphere, …(i) The rotational kinetic energy, But for solid sphere and then, …(ii) On dividing Eq. (ii) by Eq. (i), we have or |