Physics, 12.06.2020 19:57 bvaughn5915
In charging by rubbing, electrons move from one material to another because
A. substances with very few neutrons have a net positive charge, so
they get the extra electrons.
O B. heavier substances get rid of electrons so they don't weigh as
much.
O C. the substance with the most protons steals electrons from the
other substance.
O D. some substances hold onto electrons tighter than other
substances, so they get the extra electrons.
Answers: 1
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When the velocity of an object is doubled, by what factor is its momentum changed? by what factor is its kinetic energy changed? a) the momentum is zero. b) the momentum is not zero. c) difficult to say.
Answers: 3
Physics, 22.06.2019 09:30, smiley29162
Gasoline comes from petroleum, which is made from ancient living things. petroleum, therefore, contains a type of energy. a. heat b. nuclear c. biological d. chemical potential
Answers: 2
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You throw a small rock straight up from the edge of a highway bridge that crosses a river. the rock passes you on its way down, 7.00 s after it was thrown. what is the speed of the rock just before it reaches the water 28.0 m below the point where the rock left your hand? ignore air resistance.
Answers: 2
Physics, 22.06.2019 15:10, Pookaapoo8832
When electrons are added to the outermost shell of a carbon atom, it forms--an anion that has a larger anion that has a smaller cation that has a larger cation that has a smaller radius.
Answers: 3
In charging by rubbing, electrons move from one material to another because
A. substances with very...
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