If angular speed is (9) revolutions per minute then what is its value in radians per second?

Question

Answer and explanation

Correct answer: (\frac{3\pi}{10})

(9) revolutions per minute equals (18\pi) radians per minute. Dividing by (60) gives (\frac{3\pi}{10}).

What is the correct answer to this question?

(\frac{3\pi}{10})

Why is this the correct answer?

(9) revolutions per minute equals (18\pi) radians per minute. Dividing by (60) gives (\frac{3\pi}{10}).

Which subject and chapter does this question cover?

This is a Class 12 Mathematics question. Chapter: Trigonometric Functions. Topic: Angles.