Question

What is the angular frequency of the oscillations
of the block in the arrangement shown below?

(1) 20 rad/s
(2)10 rad/s
(3) 15 rad/s
(4) 5 rad/s​

Answer 1

Answer:

I think the answer is 20 rad/s

hope it is correct

Answer 2

Answer:

20 rad /s is the speed of the oscillation