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Physics, 21.06.2019 15:30
If you quadruple the temperature of a black body, by what factor will the total energy radiated per second per square meter increase? 1,024 64 16 4 256 submit answer
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Physics, 22.06.2019 18:30
Ahot-air balloon is 11.0 m above the ground and rising at a speed of 7.00 m/s. a ball is thrown horizontally from the balloon basket at a speed of 9.00 m/s. ignore friction and air resistance and find the speed of the ball when it strikes the ground.
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Physics, 23.06.2019 01:00
What happens to the vapor pressure of a substance when its surface area is increased at constant temperature?
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Physics, 23.06.2019 01:00
Is the portion of the electromagnetic spectrum that has a frequency just above that of visible light.
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Mathematics, 31.10.2020 06:30
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