Physics, 06.02.2020 02:48 josued123321
Atoy roller coaster cart has a mass of 2kg. the track of the roller coaster has a semicircular valley with a radius of 1.2 meters. if the cart has a speed of 8 m/s at the very bottom of the valley, find the amount of centripetal force necessary to complete the motion
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Aperson gives a shopping cart an initial push along a horizontal floor to get it moving, and then lets go. the cart travels forward along the floor, gradually slowing as it moves. consider the horizontal force(s) on the cart while it is moving forward and slowing. which of the following statements is correct? (a) both a forward and a backward force are acting on the cart, but the forward force is larger. (b) only a forward force is acting which diminishes with time. (c) both a forward and a backward force are acting on the cart, but the backward force is larger. (d) only a backward force is acting, no forward force.
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Atoy roller coaster cart has a mass of 2kg. the track of the roller coaster has a semicircular valle...
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