A 16.0-kg child swings in a swing supported by a chain, 5.06 m long. The tension in thechain at the lowest point is 200 N.a. Find the child’s speed at the lowest point.b. Find the force exerted by the seat on the child when the chain makes a 30◦ anglewith the vertical. (Ignore the mass of the seat, and the small angular acceleration atthis point.)Answer Box:a = 3.69 m/sb = <0.5, 157.8> N
A 16.0-kg child swings in a swing supported by a chain, 5.06 m long. The tension in thechain at the lowest point is 200 N.a. Find the child’s speed at the lowest point.b. Find the force exerted by the seat on the child when the chain makes a 30◦ anglewith the vertical. (Ignore the mass of the seat, and the small angular acceleration atthis point.)Answer Box:a = 3.69 m/sb = <0.5, 157.8> N
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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A 16.0-kg child swings in a swing supported by a chain, 5.06 m long. The tension in the
chain at the lowest point is 200 N.
a. Find the child’s speed at the lowest point.
b. Find the force exerted by the seat on the child when the chain makes a 30◦ angle
with the vertical. (Ignore the mass of the seat, and the smallangular acceleration at
this point.)
Answer Box:
a = 3.69 m/s
b = <0.5, 157.8> N
chain at the lowest point is 200 N.
a. Find the child’s speed at the lowest point.
b. Find the force exerted by the seat on the child when the chain makes a 30◦ angle
with the vertical. (Ignore the mass of the seat, and the small
this point.)
Answer Box:
a = 3.69 m/s
b = <0.5, 157.8> N
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