Question

The rotational velocity of a merry-go-round increases at a constant rate from 1 rad/s to 2.1 rad/s in a time of 5.8 s. What is the rotational acceleration of the merry-go-round?

Answer 1

a= change in w divided by change in t
(Wfinal- Winitial)/ time
(2.1-1)/5.8
=0.189655172 rad/s ^2