Practice_Exam_3[1]

At first there is some slipping until the speed of

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Unformatted text preview: g ball? a) 84.5 J b) 30 J c) 9.5 J d) 75 J e) 65.5 J 5. A thin rod of length 1 meter and mass 500 grams lies on ice. A constant force of 5 N is applied to one end of the stick, initially at right angles to the stick. What is the translational kinetic energy of the stick after .5 seconds? a) b) c) d) 6.25 J 2.5 J 5.0 J 3.63 J 6. It is sometimes claimed that friction forces always slow an object down, but this is not true. If you place a box of mass M on a moving horizontal conveyor belt, the friction force of the belt acting on the bottom of the box speeds up the box. At first, there is some slipping, until the speed...
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