A Particle Is Moving On A Circular Path Of A Radius R With Uniform Velocity V. The Change In Velocity Vector When The Particle Moves From P To Q Is (triangle PQO=40d)?
A particle is moving on a circular path of a radius r with uniform velocity v. The change in velocity vector when the particle moves from P to Q is (triangle PQO=40d)?
(1) 2v cos40
(2) 2v sin40
(3) 2v sin20
(4) 2v cos20