A particle is subjected to a force while its instantaneous velocity is

PHYSICS · Single correct · AP · Physics 1: Algebra-based · Work Energy and Power · Work Energy and Power

Problem

A particle is subjected to a force

\mathbf{F}=5\hat{i}+4\hat{j}-3\hat{k}\,\text{N}

while its instantaneous velocity is

\mathbf{v}=2\hat{i}-\hat{j}+4\hat{k}\,\text{m\,s}^{-1}

. The instantaneous power (in watt) is (a)

26

(b)

6

(c)

-6

(d)

18