Question

0.12
A
A particle is moving in a circle of radius r centre
at O with constant speed v the change in velocity
moving from A to B (ZAOB = 40) is -
(1) 2v cos 40°
(2) 2v sin 40°
(3) 2v cos 20°
(4) 2v sin 20°​

Answer 1

Answer:

4

Explanation:

according to formula

change in velocity =2asintheta/2