Two blocks connected by a light horizontal rope sit at rest on a horizontal, frictionless surface. Block A has mass 12.5 kg, and block B has mass m. A constant horizontal force F = 60.0N is applied to block A (Figure 1). In the first 5.00 s after the force is applied, block A moves 18.0 m to the right. Part A While the blocks are moving, what is the tension T in the rope that connects the two blocks? Express your answer with the appropriate units. T = 42.0 N Submit Previous Answers v Correct Part B What is the mass of block B? Express your answer with the appropriate units. ? Value kg m =

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Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!