A merry-go-round completes one revolution in 30 s.What is the speed of a rider located at a distance 3 m from the center of the merry go-round?
A)0.1 m/s
B)0.2$\pi$ m/s
C)2$\pi$ m/s
D)6$\pi$ m/s
E)30 m/s

Question

Quizplus · Accepted Answer

The speed of a rider on a merry-go-round is given by the formula v = 2πr/T, where r is the radius (3 m) and T is the period (30 s). Substituting the given values, v = 2π(3)/30 = 0.2π m/s.

A Merry-Go-Round Completes One Revolution in 30 S π\piπ M/s C)2 π\piπ

A Merry-Go-Round Completes One Revolution in 30 S $\pi$ M/s
C)2 $\pi$