A merry-go-round of radius R = 2.0 m has a moment of inertia I = 250 kg⋅m², and is rotating at 10 rpm. A child whose mass is 25 kg jumps onto the edge of the merry-go-round, heading directly toward the center at 6.0 m/s. The new angular speed (in rpm) of the merry-go-round is approximately A) 10 B) 9.2 C) 8.5 D) 7.1 E) 6.4

Question

Quizplus · Accepted Answer

The Answer of A merry-go-round of radius R = 2.0 m has a moment of inertia I = 250 kg⋅m², and is rotating at 10 rpm. A child whose mass is 25 kg jumps onto the edge of the merry-go-round, heading directly toward the center at 6.0 m/s. The new angular speed (in rpm) of the merry-go-round is approximately A) 10 B) 9.2 C) 8.5 D) 7.1 E) 6.4

A Merry-Go-Round of Radius R = 2