Astudent uses the right-hand rule as shown.
what is the direction of the magnetic field in fro...
Physics, 18.01.2020 02:31 trinitymarielouis
Astudent uses the right-hand rule as shown.
what is the direction of the magnetic field in front of the wire
closest to the student?
oup
oright
down
left
mark this and retum
savo and est
save and exit
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Answers: 1
Physics, 22.06.2019 03:00
An internally reversible refrigerator has a modified coefficient of performance accounting for realistic heat transfer processes of where qin is the refrigerator cooling rate, qout is the heat rejection rate, and is the power input. show that copm can be expressed in terms of the reservoir temperatures tc and th, the cold and hot thermal resistances rt,c and rt,h, and qin, as where rtot rt,c rt,h. also, show that the power input may be expressed as 1.39 a household refrigerator operates with cold- and hot-temperature reservoirs of tc 5 c and th 25 c, respectively. when new, the cold and hot side resistances are rc,n 0.05 k/w and rh,n 0.04 k/w, respectively. over time, dust accumulates on the refrigerator’s condenser coil, which is located behind the refrigerator, increasing the hot side resistance to rh,d 0.1 k/w. it is desired to have a refrigerator cooling rate of qin 750 w. using the results of problem 1.38, determine the modified coefficient of performance and the required power input w under (a) clean and (b) dusty coil conditions. internally reversible refrigerator qout qin w high-temperature reservoir low-temperature reservoir th th,i tc,i tc high-temperature side resistance low-temperature side resistance w qin th tc qinrtot tc qinrtot copm tc qinrtot th tc
Answers: 2
Physics, 22.06.2019 12:40
Question part points submissions used suppose that 2 j of work is needed to stretch a spring from its natural length of 26 cm to a length of 36 cm. (a) how much work is needed to stretch the spring from 28 cm to 32 cm? (round your answer to two decimal places.)
Answers: 2
Mathematics, 22.06.2020 07:57
Mathematics, 22.06.2020 07:57
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Mathematics, 22.06.2020 07:57
Mathematics, 22.06.2020 07:57
Mathematics, 22.06.2020 07:57
Mathematics, 22.06.2020 07:57
Mathematics, 22.06.2020 07:57
Mathematics, 22.06.2020 07:57
Mathematics, 22.06.2020 07:57
Mathematics, 22.06.2020 07:57
Mathematics, 22.06.2020 07:57