Starting from rest, a particle rotates in a circle of radius R  2 m with an angular acceleration  = /4 rad/s2.The magnitude of average velocity of the particle over the time it rotates quarter circle is:

Starting from rest, a particle rotates in a circle of radius R = sqrt 2 m with an angular acceleration = pi/4 rad/s2.The magnitude of average velocity of the particle over the time it rotates quarter circle is:

If a particle rotates along a circle of radius 3 m with an angular acceleration of (pi)/(2) "rad"//s^(2) starting from rest, then its average velocity over the time it covers quarter circle is :

A particle moves in a circle of radius R = 21/22 m with constant speed 1 m//s. Find, (a) magnitude of average velocity and (b) magnitude of average acceleration in 2 s.

A particle moves in a circle of radius R = 21/22 m with constant speed 1 m//s. Find, (a) magnitude of average velocity and (b) magnitude of average acceleration in 2 s.

A point traversed 3/4 th of the circle of radius R in time t. The magnitude of the average velocity of the particle in this time interval is

A point traversed 3/4 th of the circle of radius R in time t. The magnitude of the average velocity of the particle in this time interval is

A particle is revolving in a circular path of radius 2 m with constant angular speed 4 rad/s. The angular acceleration of particle is