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College Physics
11th Edition
ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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Just give me the last step solutions(make the solution shortest) and give me the answer. Thank you.

Transcribed Image Text:7. A 2.10 m rope attaches a tire to an overhanging tree limb. A girl swinging on the tire has a
tangential speed of 2.50 m/s. If the magnitude of the centripetal force is 88.0 N, what is the girl's
mass?
8. A bicyclist is riding at a tangential speed of 13.2 m/s around a circular track. The magnitude of the
centripetal force is 377 N, and the combined mass of the bicycle and rider is 86.5 kg. What is the
track's radius?
9. A dog sits 1.50 m from the center of a merry-go-round and revolves at a tangential speed of 1.80
m/s. If the dog's mass is 18.5 kg, what is the magnitude of the centripetal force on the dog?
10. A 905 kg car travels around a circular track with a circumference of 3.25 km. If the magnitude of
the ripetal force is 2140 N, what is the car's tangential speed?
cid
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