Physics, 29.05.2020 18:01 hongkongbrat6840
In 1820 the French physics, Andre Marie Ampére discovered that two parallel wire carry electrical current would either be attracted to one another, or repelled by one another, depending on what directs the two cures were going. Devise an experiment to reproduce Ampére results, and determine which direction current must go to produce an attractive verse a repulsive.
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Carbon-14 is a radioactive element that undergoes beta decay. which force is responsible for allowing carbon-14 to become stable? electromagnetic gravitational weak nuclear strong nuclear
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Acommercial refrigerator with refrigerant-134a as the working fluid is used to keep the refrigerated space at -35°c by rejecting waste heat to cooling water that enters the condenser at 18°c at a rate of 0.25 kg/s and leaves at 26°c. the refrigerant enters the condenser at 1.2 mpa and 50°c. if the compressor consumes 3.3 kw of power, determine (a) the mass flow rate of the refrigerant, (b) the refrigeration load, (c) the cop, and (d) the minimum power input to the compressor for the same refrigeration load.
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5400 j of energy are given off when a 50 g of aluminum pan changes temperature. does the temperature of the pan increase or decrease and by how much?
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In 1820 the French physics, Andre Marie Ampére discovered that two parallel wire carry electrical cu...
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