Solve the problem.
-A wheel with a 23-inch diameter is turning at the rate of 47 revolutions per minute. To the nearest inch per minute, what is the velocity of a point on the rim?
A) 3396 in./min
B) 3403 in./min
C) 3442 in./min
D) 3449 in./min

Question

Quizplus · Accepted Answer

The circumference of the wheel is π times the diameter, which is 23 inches. So, the circumference is 23π inches. The velocity is the circumference times the number of revolutions per minute: 23π * 47 ≈ 3396 in./min.

Solve the Problem. -A Wheel with a 23-Inch Diameter Is Turning at the Turning