COLLEGE PHYSICS:STRATEGIC APPR.AP ED.
4th Edition
ISBN: 9780137574728
Author: Knight
Publisher: PEARSON
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Chapter 9, Problem 78GP
A 3.0-m-diameter merry-go-round with a mass of 250 kg is spinning at 20 rpm. John runs around the merry-go-round at 5.0 m/s, in the same direction that it is turning, and jumps onto the outer edge. John’s mass is 30 kg. What is the merry-go-round’s angular speed, in rpm, after John jumps on?
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A 2.4-m-diameter merry-go-round with a mass of 240 kg is spinning at 20 rpm. John runs around the merry-go-round at 5.0 m/s, in the same direction that it is turning, and jumps onto the outer edge. John’s mass is 30 kg. What is the merry-go-round's angular speed, in rpm, after John jumps on?
A 3.0-m-diameter merry-go-round with a mass of 250 kg is spinning at 20 rpm.
Steven runs tangent to the merry-go-round at 5.0 m/s, in the same direction that is
turning, and jumps onto the outer edge. What is the merry-go-round's angular
velocity, in rpm, after Steven jumps on? Steven's mass =
30 kg.
MR
I (merry-go-round) =
O 4.10 rpm
O 27.7 rpm
22.3 rpm
16.8 rpm
8.72 rpm
A 3m diameter merry-go-round with a mass of 250kg is spinning at 20 rpm. John runs tangent to the merry-go-round at 5m/s, in the same direction that it is turning, and jumps onto the outer edge. John's mass is 30kg. What is the merry-go-round's angular velocity, in rpm, after John jumps on?
Chapter 9 Solutions
COLLEGE PHYSICS:STRATEGIC APPR.AP ED.
Ch. 9 - Prob. 1CQCh. 9 - Prob. 2CQCh. 9 - Two pucks, of mass m and 4m, lie on a frictionless...Ch. 9 - Prob. 4CQCh. 9 - Prob. 5CQCh. 9 - Prob. 6CQCh. 9 - Prob. 7CQCh. 9 - Two students stand at rest, facing each other on...Ch. 9 - A 2 kg cart rolling to the right at 3 m/s runs...Ch. 9 - Automobiles are designed with crumple zones...
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