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Physics, 21.06.2019 15:50
The metal wire in an incandescent lightbulb glows when the light is switched on and stops glowing when it is switched off. this simple process iswhich kind of a change? a.a physical changeb. a chemical changec. a nuclear changed. an ionic change
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Physics, 22.06.2019 17:30
How does the entropy of steam compare to the entropy of ice?
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Physics, 22.06.2019 17:30
Does heating a metal wire increase or decrease its electrical resistance? why?
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Physics, 22.06.2019 18:20
Awave with a frequency of 500 hz is traveling at a speed of 100 m/s.what is the wavelength?
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