Physics, 22.01.2020 04:31 Gearyjames8
Aconstruction team gives an estimate of three months to repave a large stretch of a very busy road. the government responds that it's too much inconvenience to have this busy road obstructed for three months, so the job must be completed in one month. how does this deadline change the number of workers needed?
a) one-ninth as many workers are needed. b) one-third as many workers are needed. c) the same number of workers are needed. d) three times as many workers are needed. e) nine times as many workers are needed.
Answers: 1
Physics, 22.06.2019 16:40
Beryl states that insulation with the smallest possible thermal conductivity is best to keep a house warm in winter, but worst for keeping a house cool in summer. sapphire insists the reverse is true: low thermal conductivity is good in the summer, but bad in the winter. which one, if either is correct? a. beryl, because low thermal conductivity results in low heat transfer. b. beryl, because low thermal conductivity results in high heat transfer. d. sapphire, because low thermal conductivity results in high heat transfer. e. neither, because low heat transfer is desirable both in summer and in winter.
Answers: 2
Physics, 22.06.2019 22:00
It takes a lot of energy to get the temperature of water to increase and eventually boil because water has a high heat.
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Physics, 22.06.2019 22:30
When you hold a rectangular object, how does the area of the side that is resting on your hand affect the pressure and the force that the object exerts?
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Physics, 22.06.2019 23:50
What would be the radius of the earth if it had its actual mass but had the density of nuclei? express your answer to two significant figures and include the appropriate units.
Answers: 2
Aconstruction team gives an estimate of three months to repave a large stretch of a very busy road....
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