A body of mass 2 kg travels according to the law x(t) = pt + qt 2 + rt 3 where p = 3 ms…
Physics · NEET · NTA Exams — Laws of Motion
A body of mass 2 kg travels according to the law x(t) = pt + qt2 + rt3 where p = 3 ms–1, q = 4 ms–1 and
r = 5 ms–1. The force acting on the body at t = 2 seconds is
r = 5 ms–1. The force acting on the body at t = 2 seconds is
- 136 N
- 134 N
- 158 N
- 68 N
Answer
(A) 136 N
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