Two elevators begin descending from the same height. elevator a has descended 4 feet after one second, 9 feet after two seconds, 14 feet after three seconds, and so on. elevator b has descended 3.5 feet after one second, 6.5 feet after two seconds, 9.5 feet after three seconds, and so on. how many feet would each elevator descend in 10 seconds?
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A500g object falls off a cliff and losers 100 j from its gravitational potential energy store. if the gravitational field strength g=9.8n/kg, how high is the cliff?
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Light traveling in a medium with a refractive index 1.19 is incident on a plate of another medium with index of refraction 1.79. at what angle of incidence is the reflected light fully polarized?
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How are the crust and the inner core alike? a) they are both solid. b) they both have the same temperature. c) they are both under the same pressure. d) they are both very close to the center of the earth.
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A2.0 μf capacitor and a 4.0 μf capacitor are connected in series across a 0.827-kv potential. the charged capacitors are then disconnected from the source and connected to each other with terminals of like sign together. find the voltage across each capacitor.
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Two elevators begin descending from the same height. elevator a has descended 4 feet after one secon...
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