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Unformatted text preview: on which an xy coordinate system has been drawn. Figure 537 gives the package's x and y velocity components versus time t . What are the (a) magnitude and (b) direction of F a ? =  59.0 o F = 11.7 N Problem 545 Three connected blocks are pulled to the right on a horizontal frictionless table by a force of magnitude T 3 = 65.0 N. If m 1 = 12.0 kg, m 2 = 24.0 kg, and m 3 = 31.0 kg, calculate (a) the magnitude of the system's acceleration, (b) the tension T 1 , and (c) the tension T 2 . a a = .970 m/s 2 T 1 = 11.6 N T 2 = 34.9 N Problem 547 Figure 551 shows two blocks connected by a cord (of negligible mass) that passes over a frictionless pulley (also of negligible mass). The arrangement is known as Atwood's machine. One block has mass m 1 = 1.3 kg; the other has mass m 2 = 2.8 kg. What are (a) the magnitude of the blocks' acceleration and (b) the tension in the cord? a a m 2 g m 1 g T T a = 3.6 m/s 2 T = 17 N...
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 Spring '08
 Dr.Schrieber
 Physics, Force

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