Question

The angle described in 2 sec by an object rotating at a rate of 600rpm is
(a)20n rad
(b) 40n rad
(c) 5n rad​

Answer 1

Answer:

rotate in per second= 600/60rps=10rps=a

angle= wt+1/2at^2

w=0,t=2

angle=(1/2)×10×4

20rad