A woman in an elevator lets go of her briefcase, but it does not fall to the floor. How is the elevator moving?
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A woman in an elevator lets go of her briefcase, but it does not
fall to the floor. How is the elevator moving?
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- A block with mass m = 11 kg is suspended by massless identical Take two cords. g = 10 m/s². The magnitude of the tension in each of the two cords is: O 110 N O 50 N O 55 N O 220 N O 0 0 0If your speedometer reading is 45 mph, but your tires are larger than factory-installed tires, how fast is your SUV actually moving? The circumference of the factory-installed tires should be 75 inches, but your tires are 90 inches around. 50 mph 52 mph 54 mph 56 mphA elevator accelerates upward in 3.2 s to a final speed of 7.2 m/s. Determine the apparent weight of a passenger with mass of 56 kg.
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- A person stands on a scale inside an elevator at rest. The scale reads 980 N. The elevator then accelerates upward momentarily at the rate of 4 m/s ^2 what does the scale read then?Shown below are top-down views of three blocks on rotating turntables. The turntables rotate in the same amount of time, and the blocks are rotating with the turntables, not sliding. The masses of the blocks and their distances from the centers are given. Rank the blocks from most force holding it on the turntable to least. B R=2 cm m 5 kg R=3 cm = 4 kg R 5 cm m=1 kg