The speed of a particle travelling in a circle of radius 20 cm increases uniformly from 6 m/s to 8 m/s in 4 sec. The angular acceleration of particle is :
|Why this question ?
It intends to your understanding of fundamentals of average and instantaneous tangential acceleration in a circular motion.
Tip: In case of uniform circular motion the average and instantaneous value of tangential acceleration will be the same.