you do not say what the question is
average rpm during stop = 1150
turns to stop = 1150 *2.9/60
original radians/s
= 2300 revs/min*2 pi rad/rev *1min/60 s
= 241 radians/s
angular acceleration = -241/2.9
whatever
A high-speed drill rotating ccw at 2300 rpm comes to a halt in 2.9 s .
1 answer
1 answer