A gridstone has a constant acceleration of 4 rad `s^-1`. Starting from rest, calculate the angular speed of the grindstone 2.5 s later.

A grindstone Is found to have a angular speed of 150 rpm, 10s after starting from rest. The angular acceleration of the grindstone 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.

The wheel of a motor rotates with a constant acceleration of 4" rad s"^(-1) . If the wheel starts form rest, how many revolutions will it make in the first 20 second?

A particle starts from rest and moves in a circular motion with constant angular acceleration of 2 rad s^-2 . Find (a) Angular velocity (b) Angular displacement of the particle after 4 s . ( c) The number of revolutions completed by the particle during these 4 s . (d) If the radius of the circle is 10 cm , find the magnitude and direction of net acceleration of the particle at the end of 4 s .

A grindstone rotates at constant angular acceleration alpha=0.35rad//s^(2) . At time t = 0, it has an angular velocity of omega_(0)=-4.6rad//s and a reference line on it is horizontal, at the angular position theta_(0)=0 . (a) At what time after t = 0 is the reference line at the angular position theta=5.0 rev ? (b) Describe the grindstone's rotation between t = 0 and t = 32 s. (c) At what time t does the grindstone momentarily stop?

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

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