Physics, 16.06.2020 22:57 janahiac09
An electric winch uses 3.78x10^4 J of electrical energy to pull a boat on a boat trailer up a ramp out of a lake. If the total mass of the boat and trailer is 635 kg, and the winch pulls them a vertical distance of 3.2 m, what is the efficiency of the winch in lifting the boat and trailer? *
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In what direction does the medium move relative to the direction of the wave? explain.
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The crank oa rotates in the vertical plane with a constant clockwise angular velocity ω0 of 5.6 rad/s. for the position where oa is horizontal, calculate the force under the light roller b of the 10.6-kg slender bar ab.
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Use the information presented in the graph to answer the questions. which segments show acceleration? which segment indicates that the object is slowing down? what is the velocity of segment b? what is the acceleration of segment b?
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1. how to locate the image in converging(concave) mirror and diverging (convex) mirror with salt. 2. how to locate the image in a converging (convex) lens and diverging (concave) lens with salt.
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An electric winch uses 3.78x10^4 J of electrical energy to pull a boat on a boat trailer up a ramp o...
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