Physics, 10.12.2019 05:31 alexiaalfaro
Arefrigerator uses 40.0 j of work to extract heat from a heat reservoir at 0.00°c. if the coefficient of performance of the refrigerator is 2.10, then how much heat is discharged out of the refrigerator at a higher temperature?
Answers: 1
Physics, 21.06.2019 13:30
An astronomer at the equator measures the doppler shift of sunlight at sunset. from this, she calculates that earth’s tangential velocity at the equator is 465 m/s. the centripetal acceleration at the equator is 3.41 10 2 m/s 2 . use this data to calculate earth’s radius.
Answers: 3
Physics, 21.06.2019 17:40
Current enters a circuit at a: 1.positive terminal 2.negative terminal 3.low potential side 4.resistor
Answers: 1
Physics, 21.06.2019 19:30
Molten iron fills a mould, which has a volume of 200 cm cubed. calculate the volume when the iron cools and solidifies.
Answers: 1
Arefrigerator uses 40.0 j of work to extract heat from a heat reservoir at 0.00°c. if the coefficien...
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