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Physics 21 Online
OpenStudy (anonymous):

A 33.5 kg block (m1) is on a horizontal surface, connected to a 5.1 kg block (m2) by a massless string as shown in the Figure. The pulley is massless and frictionless. A force of 231.3 N acts on m1 at an angle of 28.1 deg. The coefficient of kinetic friction between m1 and the surface is 0.181. Determine the upward acceleration of m2.

OpenStudy (anonymous):

Figure ?

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