TA= (Eigure 1) shows three hanging masses connected by massless strings over two massless, frictionless pulleys. Submit Part C Suppose: mi = 2.5 kg, mg = 1.5 kg, mg = 4 kg. Find the acceleration of mass 1. Express your answer with the appropriate units. Enter positive value if the acceleration is upward and negative value if the acceleration is downward. • View Available Hint(s) aly = Value Units Submit Part D Suppose: mi = 2.5 kg, mg = 1.5 kg, m3 = 4 kg. Find the acceleration of mass 2. Express your answer with the appropriate units. Enter positive value if the acceleration is upward and negative value if the acceleration is downward. Figure < 1 of 1> • View Available Hint(s) HA ? Length Le any = Value Units Length L Submit Part E

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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!