Find time it will take elevator to stop by impulse-momentum
An elevator weighing 1000lb is carrying a load of 500 lb and descending at 20 ft/s. The cable supporting the elevator has a design load of 2500 lb. Using the Impulse-Momentum Equation, determine the time it will take the elevator to stop.
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A consumer advocate wants to find out if motivational speakers can actually improve people's earning power. He randomly selects a group of 25 people in his city and invites them to participate in a motivational course.
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A rabbit runs in a straight line with a velocity of +1.3 m/s for a period of time, rests for 12 s, and then runs again along the same line at +0.54 m/s for an unknown amount of time. The rabbit travels a total distance of 1236 m, and its average s
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The cable supporting the elevator has a design load of 2500 lb. Using the Impulse-Momentum Equation, determine the time it will take the elevator to stop.
Two balls of radius 2.00 mm have a separation between their centers of 5.33 cm. The same electric charge is placed on both balls so that there is a repulsive force between them of 3.10 N. Assume that the charge is uniformly distributed over each b
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(a) What is the net electric force on the flea? (b) One of the charges is removed. Find the magnitude of the new net electric force on the flea.
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