A uniform rod of mass and length is placed over a smooth horizontal surface along the -axis and is at rest as shown in Figure. An impulsive force is applied for a small time along -direction at point . The -coordinate of end of the rod when the rod become parallel to -axis for the first time is [initially, the coordinate of centre of mass of the rod is

a) |
b) |
c) |
d) |
s |

A uniform rod of mass and length is placed over a smooth horizontal surface along the -axis and is at rest as shown in Figure. An impulsive force is applied for a small time along -direction at point . The -coordinate of end of the rod when the rod become parallel to -axis for the first time is [initially, the coordinate of centre of mass of the rod is

a) |
b) |
c) |
d) |
s |

1 Answer - 5876 Votes

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As torque =change in angular momentum (linear momentum) …(i) and (angular momentum) …(ii) Dividing Eqs. (i) and (ii), we get Using Displacement of CM is and Dividing, we get Coordination of will be |