Physics · Laws of Motion
A particle of mass M, originally at rest, is subjected to a force whose direction is constant but magnitude varies with time according to the relation: F = F0[1 - ((t - T)/T)2] where F0 and T are constants. The force acts only for the time interval 2T. The velocity v of the particle after time 2T is:
- 1F0 T / 3 M
- 24 F0 T / 3 M✓
- 3F0 T / 2 M
- 42 F0 T / M
Correct answer
4 F0 T / 3 M
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