Question

The angular velocity of a rotating turntable is given in rad/s by (t) = 4.5 + 0.64t- 2.7t2. What is its average angular acceleration between t= 1.0 s and t= 3.0 s?
A) 0.64 rad/s2
B) -5.4 rad/s2
C) -7.7 rad/s2
D) -10 rad/s2
E) -27 rad/s2

Answer

This answer is hidden. It contains 1 characters.