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Two boxes of mass 4.70 and 2.70 kg are in contact and are accelerated across a horizontal surface by an force of 28.24 N applied parallel to the surface and pushing on the lighter box. The magnitude of the frictional force between the surface and the lighter mass is 3.57 N and between the surface and the heavier mass is 9.67 N.
1) Find the acceleration of the two boxes.
2) Find the magnitude of the force exerted by the lighter box on the heavier box in the previous problem.
3) What is the magnitude of the force exerted by the heavier box on the lighter box.
Three objects with masses, m1 = 6.0 kg, m2 = 10.0 kg, and m3 = 15.0 kg, are attached by strings over frictionless pulleys as indicated. The horizontal surface is frictionless and the system is released from rest. Using energy concepts, find out th..
Radio astronomers often study the radiation emitted by a hydrogen atom from a transition between the two hyperfine levels associated with the ground state
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