lecture19_1100_S12

lecture19_1100_S12 - PHYS 1100 Spring 2012 I. Kinematic...

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I. Kinematic Variables A. Displacement B. Average Speed C. Average Velocity D. Average Acceleration PHYS 1100 Spring 2012 Reading for Wednesday: 2.1 – 2.6, 4.1 – 4.4
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PHYS 1100 Spring 2012 0 2 4 6 8 10 12 Average = 51%
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CT0: Two blocks are connected by a massless string that lies across a massless, frictionless pulley. Block 1 with mass m 1 is initially at rest on a frictionless surface that is inclined at an angle of θ 1 = 30° above the horizontal. Block 2 with a mass of m 2 is initially at rest on a frictionless surface that is inclined at an angle of 2 = 60° above the horizontal. Before the blocks are released, which force acting on block 1 has the greatest magnitude? A. The gravitational force B. The normal force from the surface C. The tension in the string D. Both A and B E. A, B, and C all have the same magnitude PHYS 1100 Spring 2012
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CT0: A lamp hangs from the ceiling of an elevator by a cable. As the elevator descends with an increasing speed, how does the weight of the lamp compare to the magnitude of the tension in the cable? A. The weight of the lamp is greater than the tension in the cable B. The weight of the lamp is equal the tension in the cable C. The weight of the lamp is less than the tension in the cable D. How the two forces compare cannot be determined PHYS 1100 Spring 2012
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CT1: The hare challenges the tortoise to rerun their race along a long straight track. Once again, at the start of the race, the hare takes off like a shot and the tortoise
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lecture19_1100_S12 - PHYS 1100 Spring 2012 I. Kinematic...

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