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Physics, 22.02.2020 05:02 Furyplayzzz
The superheroine Xanaxa, who has a mass of 69.1 kg , is pursuing the 75.3 kg archvillain Lexlax. She leaps from the ground to the top of a 183 m high building then dives off it and comes to rest at the bottom of a 15.7 m deep excavation where she finds Lexlax and neutralizes him. Does all this bring about a net gain or a net loss of gravitational potential energy?loss or gain?By how much?
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An electromagnetic wave with frequency 65.0 hz travels in aninsulating magnetic material that has dielectric constant 3.64 andrelative permeability 5.18 at this frequency. the electric fieldhas amplitude 7.20 \times 10^{ - 3} {\rm v}/{\rm m}. a. what is the speed of propagation of the wave? b.what is the wavelength of the wave? c.what is the amplitude of the magnetic field? d.what is the intensity of the wave?
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The superheroine Xanaxa, who has a mass of 69.1 kg , is pursuing the 75.3 kg archvillain Lexlax. She...
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