A stone tied to a string is made to revolve in a horizontal circle of radius 4m with an angular speed of 2 rad per sec. With what tangential velocity will the stone move off the circle if the string is cut?
A
16.0 ms-1
B
8.0 ms-1
C
6.0 ms-1
D
2.0 ms-1
E
0.5 ms-1
Verified Correct Answer: B.
Physical Principles & Numerical Solution
V = wr = 2x4 = 8.0 ms-1
Source: Myschool Past Questions Archive (Record #23892)