Physics, 14.09.2019 11:30 vanessagallion
For an object of mass 1 kg, estimate the number of protons and neutrons in the material, noting that a proton or neutron weighs 2000 times more than an electron. assume that the number of neutrons is equal to the number of protons. also assume that the absolute value of the net charge is less than 1coulomb. estimate the number of electrons in this object.
Answers: 1
Physics, 21.06.2019 15:30
Iflow from a warmer object to a cooler object until both objects are the same temperature what am i?
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Physics, 21.06.2019 23:10
A248-g piece of copper is dropped into 390 ml of water at 22.6 °c. the final temperature of the water was measured as 39.9 °c. calculate the initial temperature of the piece of copper. assume that all heat transfer occurs between the copper and the water. remember, the density of water is 1.0 g/m
Answers: 1
For an object of mass 1 kg, estimate the number of protons and neutrons in the material, noting that...
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