February 25, 2017

Homework Help: Physics

Posted by Greg on Tuesday, November 13, 2012 at 5:19pm.

An air puck of mass 0.23 kg is tied to a string and allowed to revolve in a circle of radius 1.0 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 0.9 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?

(b) What is the force causing the centripetal acceleration on the puck?

(c) What is the speed of the puck?

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