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A woman performs 2000 J of work in order to push a cart full of groceries 50 meters. How much force did she apply to the cart? *
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Who was the first scientist to measure speed as distance over time?
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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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Physics, 22.06.2019 10:20
Electromagnetic induction. a coil of wire contains n turns and has an electrical resistance r. the radius of each turn is a. initially, inside the coil there exists a uniform magnetic field of magnitude b0 parallel to the axis of the coil. the magnetic field is then reduced slowly. the current induced in the coil is i. how long does it take for the magnitude of the uniform field to drop to zero?
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Physics, 22.06.2019 13:10
Most short-period comets do not have randomly oriented orbits because
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A woman performs 2000 J of work in order to push a cart full of groceries 50 meters. How much force...
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