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December 3, 2016

Homework Help: AP Physics

Posted by Frank on Tuesday, October 5, 2010 at 11:21pm.

A 2.8 kg mass hangs at one end of a rope that is attached to a support on a railroad car. When the car accelerates to the right, the rope makes an angle of 9.0° with the vertical, as shown in Figure P4.68. Find the acceleration of the car.

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