Question

A figure skater is rotating at a rate of 200 revolutions per minute. What is the angular speed, in units of rad/s? 20.9 12000 200 3.33

Answer 1

Answer:

200 revolutions per minute = 20.9 rad/s

Explanation:

It is given that, a figure skater is rotating at a rate of 200 revolutions per minute. It is the angular velocity of the skater. We have to convert it into radian/second.

Revolution per minute can be converted to radian per minute as :

Since, 1 radian/second = 60/2π revolutions per minute

So, 1 revolution/minute = 2π/60 radian/second

200 revolution/minute = 200 × 2π/60 radian/second

200 revolution/minute = 20.9 radian/second

Hence, this is the required solution.