A 200-kg, 2.0-m-radius, merry-go-round in the shape of a flat, uniform, circular disk parallel to level ground is rotating at 1.2 cycles/second about an axis through its center of mass and perpendicular to the ground. A 50-kg boy jumps onto the edge of the merry-go round and lands at a fixed point. What is the angular velocity of the merry-go-round after the boy lands on it? Hint:

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Chapter11: Angular Momentum
Section: Chapter Questions
Problem 92AP: A thin meter stick of mass 150 g rotates around an axis perpendicular to the stick’s long axis at an...
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QUESTION 8
A 200-kg, 2.0-m-radius, merry-go-round in the
shape of a flat, uniform, circular disk parallel to
level ground is rotating at 1.2 cycles/second about
axis through its
perpendicular to the ground. A 50-kg boy jumps
onto the edge of the merry-go round and lands at a
fixed point. What is the angular velocity of the
merry-go-round after the boy lands on it? Hint:
Icm.disk =
an
center of
mass
and
(1/2)mR2 where m is the mass of the
disk and R is the radius of the disk.
а. 1.4 суcles/s
b. 1.1 cycles/s
Transcribed Image Text:QUESTION 8 A 200-kg, 2.0-m-radius, merry-go-round in the shape of a flat, uniform, circular disk parallel to level ground is rotating at 1.2 cycles/second about axis through its perpendicular to the ground. A 50-kg boy jumps onto the edge of the merry-go round and lands at a fixed point. What is the angular velocity of the merry-go-round after the boy lands on it? Hint: Icm.disk = an center of mass and (1/2)mR2 where m is the mass of the disk and R is the radius of the disk. а. 1.4 суcles/s b. 1.1 cycles/s
а. 1.4 суcles/s
b. 1.1 суcles/s
с. 0.80 суcles/s
d. 0.50 суcles/s
е. 0.20 суcles/s
Transcribed Image Text:а. 1.4 суcles/s b. 1.1 суcles/s с. 0.80 суcles/s d. 0.50 суcles/s е. 0.20 суcles/s
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