### Home > PC > Chapter 4 > Lesson 4.1.1 > Problem 4-9

4-9.

1. Find out how many radians per minute first.

2. Divide by 60 to find the radians per second.

3. Keep π in your answer in order to be exact!

4-9.

1. Find out how many radians per minute first.

2. Divide by 60 to find the radians per second.

3. Keep π in your answer in order to be exact!