An air puck of mass m1 = 0.28 kg is tied to a string and allowed to revolve in a circle of radius R = 1.4 m on a frictionless horizontal table. The other end of the string passes through a hole in the center of the table, and a mass of m2 = 1.4 kg is tied to it . The suspended mass remains in equilibrium while the puck on the tabletop revolves.   (a)What is the tension in the string (in N)?   (b)What is the horizontal force acting on the puck (in N)?   (c)What is the speed of the puck (in m/s)?

College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter7: Rotational Motion And Gravitation
Section: Chapter Questions
Problem 27P: An air puck of mass m1 = 0.25 kg is tied to a siring and allowed to revolve in a circle of radius R...
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An air puck of mass m1 = 0.28 kg is tied to a string and allowed to revolve in a circle of radius R = 1.4 m on a frictionless horizontal table. The other end of the string passes through a hole in the center of the table, and a mass of m2 = 1.4 kg is tied to it . The suspended mass remains in equilibrium while the puck on the tabletop revolves.
 
(a)What is the tension in the string (in N)?
 
(b)What is the horizontal force acting on the puck (in N)?
 
(c)What is the speed of the puck (in m/s)?
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