Hollow cylinder rolling on a horizontal surface
A hollow cylinder (hoop) is rolling on a horizontal surface at speed v = 4.0 m/s when it reaches a 12° incline.
(a) How far up the incline will it go?(b) How long will it be on the incline before it arrives back at the bottom?
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The person walks radially to the edge of the platform. (a) Calculate the angular velocity when the person reaches the edge.
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Mathematically speaking, the capacitor never fully discharges; however, practically speaking, we might consider the capacitor to be "fully discharged" when the charge left on it is less than the magnitude of the charge of a single electron: -1.6&t
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There is a long straight wire carrying current I = 507 amperes. At a distance of 1.3 meter away, a small piece of wire (length 1 cm) carries a current of 13 amperes in a direction parallel to the long wire. Using your result for B just found, calcu
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