Question

A particle moves in the X–Y plane under the influence of a
force F such that its instantaneous momentum is
p = iˆ2cos t + ˆj2sin t .
What is the angle between the force and instantaneous
momentum ?
(a) 0° (b) 45°
(c) 90° (d) 180°

Answer 1

Answer:

(b) 45°

Explanation:

here is your answer.

hope it will help you..

Answer 2

option b 45 is correct ....................