Physics, 30.09.2019 13:10 hopkinsgail569
Arefrigerator is a system. the energy input into the refrigerator system (in the form of electricity) is the same as the amount of energy output from the system. which of the following best describes the energy output of the system?
Answers: 1
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How much work would a child do while puling a 12-kg wagon a distance of 3m with a 22 n force directed 30 degrees with respect to the horizontal? (a) 82j (b) 52j (c) 109j (d) 95j
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Physics, 22.06.2019 10:30
J. j. thomson’s experiment disproved the theory that an atom
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Explain why electric current cannot exist if a current doesn't have a voltage source.
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Physics, 22.06.2019 16:30
Large electric fields in cell membranes cause ions to move through the cell wall. the field strength in a typical membrane is 1.0 x 10 7 n/c. what is the magnitude of the force on a calcium ion with charge +e? what is its acceleration? is it possible for a particle with the same charge as as calcium to have a different acceleration if placed at this location? what would change the acceleration: mass of the particle? diameter of the particle?
Answers: 2
Arefrigerator is a system. the energy input into the refrigerator system (in the form of electricity...
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