A carousel with a 60-foot diameter makes 2 revolutions per minute.Find the angular speed of the carousel in radians per minute.Round your answer to two decimal places.
A)2 rpm ≈ 61.85 radians per minute
B)2 rpm ≈ 12.57 radians per minute
C)2 rpm ≈ 18.85 radians per minute
D)2 rpm ≈ 6.28 radians per minute
E)2 rpm ≈ 58.23 radians per minute

Question

A carousel with a 60-foot diameter makes 2 revolutions per minute.Find the angular speed of the carousel in radians per minute.Round your answer to two decimal places. ​
A)2 rpm ≈ 61.85 radians per minute
B)2 rpm ≈ 12.57 radians per minute
C)2 rpm ≈ 18.85 radians per minute
D)2 rpm ≈ 6.28 radians per minute
E)2 rpm ≈ 58.23 radians per minute

Quizplus · Accepted Answer

The angular speed in radians per minute can be found by multiplying the number of revolutions per minute by $2\pi$ (since there are $2\pi$ radians in a full revolution). Thus, $2 \times 2\pi = 4\pi \approx 12.57$ radians per minute.

A Carousel with a 60-Foot Diameter Makes 2 Revolutions Per