Physics, 30.06.2019 19:00 princessroyal
The flow of electrical current is possible because electrons are a) able to move from one atom to another; the atom that loses an electron becomes positively charged and the atom that gains an electron becomes negatively charged. b) charged particles that move freely between all atoms; when an atom looses an electron it becomes negatively charged. c) negatively charged and can move between atoms; the atom that looses an electron becomes negatively charged and the atom that gains an electron becomes positively charged. d) positively charged particles that when transferred between different atoms create ions that are positively charged.
Answers: 2
Physics, 21.06.2019 23:20
Asmall, positively charged ball is moved close to a large, positively charged ball. which describes how the small ball likely responds when it is released? it will move toward the large ball because like charges repel. it will move toward the large ball because like charges attract. it will move away from the large ball because like charges repel. it will move away from the large ball because like charges attract.
Answers: 3
Physics, 22.06.2019 12:30
An ice-making machine inside a refrigerator operates in a carnot cycle. it takes heat from liquid water at 0.0 degrees celsius and rejects heat to a room at a temperature of 19.2 degrees celsius. suppose that liquid water with a mass of 76.3kg at 0.0 degrees celsius is converted to ice at the same temperature. take the heat of fusion for water to be l_f = 3.34*10^5 j/kg.how much energy e must be supplied to the device? express your answer in joules.
Answers: 1
The flow of electrical current is possible because electrons are a) able to move from one atom to an...
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