Question
A particle is moving on a circular path of radius 1 m with 2 m/s. If speed starts increasing at a rate of 2 m/s² , then acceleration of particle is
Joshi sir comment
centripetal acceleration = v2/r = 2*2/1 = 4
and tangential acceleration = 2 [given]
so acceleration = [42+22]1/2 = √ 20