Question

26. A particle moves in the x - y plane under
influence of a force such that its linear mome
is p(t) = [i cos(at) - j sin(at)]ß, where a an
are constants. The angle between the force
the momentum is
(1) 0°
(2) 45°
(3) 60°
(4) 90°
​

Answer 1

Answer:

hey

the answer is option D

force is perpendicular to momentum