A stone whirled at the end of a rope 25cm long make 5 complete revolution in 3 seconds. Find the angular velocity.

Answer 1

I need the answer

Answer 2

Circumference = pi * Dia. = 3.14 * 50 = 157 cm.

Va = 5rev/3s * 6.28rad/rev = rad/s.

Answer 3

Note: The circumference was not required.