Q 11-05-007NEETNEET 2024Top questionEasy
At any instant of time $t$, the displacement of any particle is given by $2t - 1$ (SI unit) under the influence of force of $5$ N. The value of instantaneous power is (in SI unit):
Answer: (C) $10$
$v = \dfrac{d}{dt}(2t - 1) = 2\ \text{m s}^{-1}$.
$$P = Fv = 5 \times 2 = 10\ \text{W}$$
Solution by Sreeraj P, M.Sc Physics