Physics, 01.03.2021 21:50 lauren9469
A crate is pulled across a level frictionless floor by a force of 140 N applied horizontally to a rope. How much power is generated when the crate reaches
6.00 m/s?
(3
840 W
O 4200 W
420 W
2100 W
Answers: 2
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Arefrigerator uses r-134a as the working fluid and operates on the ideal vapor-compression refrigeration cycle except for the compression process. the refrigerant enters the evaporator at 120 kpa with a quality of 34 percent and leaves the compressor at 70°c. if the compressor consumes 450 w of power, determine (a) the mass flow rate of the refrigerant, (b) the condenser pressure, and (c) the cop of the refrigerator. (0.00644 kg/s, 800 kpa, 2.03)
Answers: 1
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Two waves maximally constructively interfere at a point in space. among the options below, select the possible value of their phase difference at that point in space. a. zerob. πc. π/2d. not determinable by the information provided
Answers: 3
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What electron configurations do atoms usually achieve by sharing electrons to form covalent bonds?
Answers: 3
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What can change the speed of sound as it travels through the ocean? a. salinity only b. density and salinity c. salinity and distance from land d. density and distance from land
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