PHYSICS · Single correct · AP · Physics 1: Algebra-based · Torque and Rotational Dynamics · Torque and Rotational Dynamics
Problem
A disc starts from rest, is accelerated uniformly at 4 rad s⁻² for 5 s and then decelerated uniformly at 2 rad s⁻² until it comes to rest again. How much total angle does the disc turn through during the entire motion?
(a) 200 rad
(b) 150 rad
(c) 125 rad
(d) 250 rad