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Physics, 22.06.2019 21:00
What is the efficiency of an engine that does 80 j of work and exhausts 320 j of heat while taking in 400 j of heat ? a. 10% b. 20% c. 80% d. 25%
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Physics, 23.06.2019 01:00
What explosion in the upper solar atmosphere releases about as much energy as millions of 100-megaton hydrogen bombs exploding simultaneously?
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Based on the image below what would an observer on the nighttime side of earth observe?
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Coherent light with wavelength 460 nm falls on a pair of slits. On a screen 1.86 m away, the distanc...
Mathematics, 10.07.2019 05:10
Mathematics, 10.07.2019 05:10
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Mathematics, 10.07.2019 05:10