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Physics 7 Online
OpenStudy (anonymous):

A 8 kg object hangs at one end of a rope that is attached to a support on a railroad boxcar. When the car accelerates to the right, the rope makes an angle of 27 ◦ with the vertical The acceleration of gravity is 9.8 m/s^2 Find the acceleration of the car. (Hint: ~aobject = ~acar) Answer in units of m/s 2

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