Find the acceleration of a 4.0 kg box sliding across a level floor if it is being pulled forward by a rope at an angle of 60o above the horizontal with a tension of 20.0 N and there are 4.00 N of frictional force acting on the box. a. 9.80 m/s2 b. 5.00 m/s2 c. 4.00 m/s2 d. 1.50 m/s2 e. 1.00 m/s2

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