A 19.0 kg child is riding a playground merry-go-round that is rotating at 45.0 rev/min. What centripetal force (in N) must she exert to stay on if she is 1.00 m from its center? (Enter number.) What centripetal force (in N) does she need to stay on an amusement park merry-go-round that rotates at 3.00 rev/min if she is 9.00 m from its center? (Enter a number.) Compare each force with her weight. (For each answer, enter a number.) (force from (a))/(weight)

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) A 19.0 kg child is riding a playground merry-go-round that is rotating at 45.0 rev/min. What centripetal force (in N) must she exert to stay on if she is 1.00 m from its center? (Enter a number.)
N
(b) What centripetal force (in N) does she need to stay on an amusement park merry-go-round that rotates at 3.00 rev/min if she is 9.00 m from its center? (Enter a number.)
(c) Compare each force with her weight. (For each answer, enter a number.)
(force from (a))/(weight)
=
(force from (b))/(weight)
Transcribed Image Text:(a) A 19.0 kg child is riding a playground merry-go-round that is rotating at 45.0 rev/min. What centripetal force (in N) must she exert to stay on if she is 1.00 m from its center? (Enter a number.) N (b) What centripetal force (in N) does she need to stay on an amusement park merry-go-round that rotates at 3.00 rev/min if she is 9.00 m from its center? (Enter a number.) (c) Compare each force with her weight. (For each answer, enter a number.) (force from (a))/(weight) = (force from (b))/(weight)
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