Physics, 07.12.2020 22:10 Isabella1319
7. Determine the kinetic energy of a 12,000 kg car traveling at 5.55 m/s and 19.44 m/s.
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Look at the potential energy diagram for a chemical reaction. which statement correctly describes the energy changes that occur in the forward reaction?
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Which is an example of gaining a static charge by conduction? a) rubbing a balloon against your hair. b) shuffling your shoes across a carpet. c) bringing a charged rod near an electroscope. d) touching your car on a cold day and getting a shock.
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Two identical stars with mass m orbit around their center of mass. each orbit is circular and has radius r, so that the two stars are always on opposite sides of the circle. (a) find the gravitational force of one star on the other. (b) find the orbital speed of each star and the period of the orbit. (c) how much energy would be required to separate the two stars to infinity?
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7. Determine the kinetic energy of a 12,000 kg car traveling at 5.55 m/s and 19.44 m/s....
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