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:
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:
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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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

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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