Physics, 19.05.2021 14:40 labrandonanderson00
A Cell-Phone Charger will "Step-Down" the voltage associated with a regular household current (110 Volts) to the voltage of a typical cell phone (5.5 Volts). If the Charger has 1000 coils of wire in the primary coil, how many coils of wire would be found in the secondary coil?
Answers: 3
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The percent efficiency of a machine can never be 100% (or greater), because in the real world some energy is always converted into a. heat b. work c. input force d. output force
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Physics, 22.06.2019 10:50
Two rigid transformations are used to map δhjk to δlmn. the first is a translation of vertex h to vertex l. what is the second transformation? a reflection across the line containing hk a rotation about point h a reflection across the line containing hj a rotation about point k
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Aboy with a mass 25 kg climbs into a small tree. he sits on a branch that is 2.o m above to the ground.what is his gravitational potential energy above the ground?
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Physics, 22.06.2019 13:30
6–43 a food department is kept at 2128c by a refrigerator in an environment at 308c. the total heat gain to the food department is estimated to be 3300 kj/h and the heat rejection in the condenser is 4800 kj/h. determine the power input to the compressor, in kw and the cop of the refrigerator.
Answers: 2
A Cell-Phone Charger will "Step-Down" the voltage associated with a regular household current (110 V...
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