Physics, 28.08.2019 23:10 PrincessIndia
An electron moves from point i to point f, in thedirection of a uniform electric field. during this placement: a. the work done by the field is positive andthe potential energy of the electron-field system does notchange b. the work done by the field is positive andthe potential energy of the electron-field systemincreases c. the work done by the field is negative andthe potential energy of the electron-field systemincreases d. the work done by the field is positive andthe potential energy of the electron-field systemdecreases e. thework done by the field is negative and the potential energy of theelectron-field system decreases
Answers: 3
Physics, 22.06.2019 18:00
Efficiency is the ratio of to for a system a)power in to power in b)power in to power out c) power out to power out d) power out to power in
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Physics, 22.06.2019 21:30
The diagram shows a boulder rolling down a hill into a valley and then up the opposite hill. at which position does the boulder have the greatest kinetic energy? ab c d
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Physics, 22.06.2019 23:00
Which type of reaction is shown in this energy diagram? energy products activation energy reactants time o a. endothermic, because energy is released to the surroundings o b. exothermic, because energy is absorbed from the surroundings o c. exothermic, because energy is released to the surroundings o d. endothermic, because energy is absorbed from the surroundings
Answers: 1
An electron moves from point i to point f, in thedirection of a uniform electric field. during this...
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