A merry-go-round is a common piece of playground equipment. A 3.0-m-diameter merry-go-round, which can be modeled as a disk with a mass of 250 kg, is spinning at 25 rpm. John runs tangent to the merry-go-round at 4.6 m/s, in the same direction that it is turning, and jumps onto the outer edge. John's mass is 30 kg. Part A What is the merry-go-round's angular velocity, in rpm, after John jumps on? Express your answer in revolutions per minute to two significant figures. VE ΑΣΦ 1 W= 23 Submit In ? rpm

College Physics
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ISBN:9781285737027
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Chapter8: Rotational Equilibrium And Rotational Dynamics
Section: Chapter Questions
Problem 14WUE: A disk of mass m is spinning freely at 6.00 rad/s when a second identical disk, initially not...
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Problem 12.81
A merry-go-round is a common piece of playground
equipment. A 3.0-m-diameter merry-go-round,
which can be modeled as a disk with a mass of 250
kg, is spinning at 25 rpm. John runs tangent to
the merry-go-round at 4.6 m/s, in the same
direction that it is turning, and jumps onto the outer
edge. John's mass is 30 kg.
6
F5
Y
H
&
7
F6
U
J
*
8
F7
K
(
9
F8
>
O
K
DELL
P
F9
日租
BER
?
{
Part A
Provide Feedback
[
W = 23
What is the merry-go-round's angular velocity, in rpm, after John jumps on?
Express your answer in revolutions per minute to two significant figures.
ΨΕ ΑΣΦ
Submit
F10
X Incorrect; Try Again; 5 attempts remaining
+ 11
F11
}
1
Previous Answers Request Answer
9 +
►ll
F12
Backspace
C
Enter
Shift
*****
Insert
Print
Screen
Delete
Home
Scroll
Lock
End
rpm
PgUp
Pause
Break
11 of 16
Review | Constants
PgDn
4x
Num
Next
Lock
7
Help
3:30 PM
11/26/2023
>
Home
te
8
Transcribed Image Text:F4 % 5 T G B Problem 12.81 A merry-go-round is a common piece of playground equipment. A 3.0-m-diameter merry-go-round, which can be modeled as a disk with a mass of 250 kg, is spinning at 25 rpm. John runs tangent to the merry-go-round at 4.6 m/s, in the same direction that it is turning, and jumps onto the outer edge. John's mass is 30 kg. 6 F5 Y H & 7 F6 U J * 8 F7 K ( 9 F8 > O K DELL P F9 日租 BER ? { Part A Provide Feedback [ W = 23 What is the merry-go-round's angular velocity, in rpm, after John jumps on? Express your answer in revolutions per minute to two significant figures. ΨΕ ΑΣΦ Submit F10 X Incorrect; Try Again; 5 attempts remaining + 11 F11 } 1 Previous Answers Request Answer 9 + ►ll F12 Backspace C Enter Shift ***** Insert Print Screen Delete Home Scroll Lock End rpm PgUp Pause Break 11 of 16 Review | Constants PgDn 4x Num Next Lock 7 Help 3:30 PM 11/26/2023 > Home te 8
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