A particle is in circular motion in a horizotantal plane. It has angular velocity of 10`pi rad//s`
Channel: Doubtnut
Date: 2020-05-31

A particle is in circular motion in a horizotantal plane. It has angular velocity of 10`pi rad//s` at the end of 2 s and angular velocity 15 `pi rad//s` at the end of 4s. The angular acceleration of particle is