Find the work done by the dogs
over a horizontal surface at a constant speed. The coefficient of friction between the sled and the snow is 0.236.The acceleration of gravity is 9.8 m/s2 . Find the work done by the dogs.
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A circular loop in the plane of the screen lies in a 0.87 T magnetic field pointing into the screen. If the loop's diameter changes from 19.5 cm to 6.0 cm in 0.50 s, determine the following.
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