Choose the one alternative that best completes the statement or answers the question.
-A carousel has a radius of 15 feet and takes 28 seconds to make one complete revolution. What is the linear speed of the carousel at its outside edge? If necessary, round the answer to two decimal places.
A) 94.25 ft/sec
B) 0.54 ft/sec
C) 3.37 ft/sec
D) 11.73 ft/sec

Question

Quizplus · Accepted Answer

The linear speed $v$ of the carousel at its outside edge can be calculated using the formula $v = \frac{2\pi r}{T}$, where $r$ is the radius and $T$ is the time for one complete revolution. Substituting $r = 15$ feet and $T = 28$ seconds, we get $v = \frac{2\pi(15)}{28} \approx 3.37$ ft/sec.

Choose the One Alternative That Best Completes the Statement or Answers