Rotational motion?

Posted on 2016-05-04 18:39:00 in Physics by CARLTON

At a time t=3.50s, a point on the rim of a wheel with a radius of 0.150m has atangential speed of 52.0m/s as the wheel slows down with a tangential acceleration of constant magnitude 10.8m/s^2. 
a) calculate the wheel s constant angulacceleration 
b) calculate the angular velocity at t=3.50s 
c) calculate the angular velocity at t=0 
d)through what angle did the wheel turn between t=0 and t=3.50s? 
e) at what time will the radial acceleration equal g=9.81m/s^2?

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