A particle moves in the - plane under the action of a force such that the value of its linear momentum at any time is cos The angel between and at a given time will be |
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a) |
b) |
0 |
c) |
180 |
d) |
30 |

A particle moves in the - plane under the action of a force such that the value of its linear momentum at any time is cos The angel between and at a given time will be |
||||||||

a) |
b) |
0 |
c) |
180 |
d) |
30 |

1 Answer

127 votes

If be the mass of the body, then kinetic energy Since kinetic energy does not change with time, both work done and power are zero Now Power = As Or As direction of is same that hence angle between and is equal to |

127 votes

127