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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One of the pieces has half the speed that the rocket had before it exploded and travels straight upward with respect to the ground. Determine the speed and direction of the second piece. (Use v0 for the initial speed of the rocket.)
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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
A 30.00 mL solution of potassium nitrate(KNO3) was diluted to 125.0 mL, and 25.00 mL of this solution were then diluted to 1.000 103 mL. The concentration of the final solution is 0.00370 M.Calculate the concentration of the original s
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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