A fan is switched on and it accelerates at a constant angular acceleration of $2rad/s^2$ till it attains an angular velocity of $18rad/s$. At this instant power is switched off, Assuming there is no dissipative force, the angular displacement made by it in $20$ seconds is

Initial angular velocity of a wheel is $2rad/s$ .It rotates with a constant angular acceleration of $3.5rad/s^2$ .Its angular displacement in 2 s is

The angular acceleration of a fan $\alpha =\frac{-3t^2}{2}$. At the initial moment, its angular velocity $\omega =10rad/s$ and has an angular position of 1 rad.

A wheel initially has an angular velocity of 18 rad/s. It has a costant angular acceleration of 2 rad/$s^2$ and is slowing at first. What time elapses before its angular velocity is 22 rad/s in the direction opposite to its initial angular velocity?

A wheel is rotating with an angular velocity of $3rad{s}^{-1}$. If the angular acceleration is $2rad{s}^{-1}$ then calculate its angular velocity after $5$ second.

A wheel has angular acceleration of $3.0rad/s^2$ and an initial angular speed of $2.00rad/s$. In a tine of $2s$ it has rotated through an angle (in radian) of

A stationary wheel starts rotating about its own axis at an angular acceleration $5.5rad/s^2$ . To acquire an angular velocity 420 revolutions per minute , the number of rotations made by the wheel is

The torque acting is 2000 Nm with an angular acceleration of $2rad/s^2$ . The moment of inertia of body is

A particle moves along a circular path a radius 15 cm with a constant angular acceleration of 4 "rad/s"^(2). If the initial angular speed of the particle was 5 rad/s. Find its angular displacement in 5 seconds.

A body rotates about a fixed axis with an angular acceleration of $3rad/s^2$ The angle rotated by it during the time when its angular velocity increases frm 10 rad/s to 20 rad/s (in radian) is

A wheel has angular acceleration of $3.0rad/s^2$ and an initial angular speed of $2.00rad/s$, In a time of 2 s it has rotated through an angle (in radian) of