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The diagram shows a person using a piece of gym equipment to lift weight which best describe the body in terms of simple machine
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Immediately upon reaching its lowest point, a falling pendulum bob has its greatest amount of energy, which is the initial amount of potential energy. a. heat; less than b. heat; more than c. kinetic; less than d. kinetic; more than
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Two steel balls, each of mass m, are welded to a light rod of length l and negligible mass and are initially at rest on a smooth horizontal surface. a horizontal force of magnitude f is suddenly applied to the rod as shown. determine (a) the instantaneous acceleration a of the mass center g and (b) the corresponding rate at which the angular velocity of the assembly about g is changing with time.
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2
2. What impulse is needed to slow a 2400 kg car from 30 m/s down to 10
m/s? (Answer in Scie...
m/s? (Answer in Scie...
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