Physics, 14.12.2019 10:31 tylorroundy
Supposed to vacuum cleaner uses 120 j of electrical energy. if 45 j used to pull air into a vacuum cleaner, how efficient is the vacuum cleaner?
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Physics, 21.06.2019 15:30
The four giant gas points that are made primarily of lightweight elements are
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Physics, 22.06.2019 02:30
Which is an example of gaining a static charge by conduction? a) rubbing a balloon against your hair. b) shuffling your shoes across a carpet. c) bringing a charged rod near an electroscope. d) touching your car on a cold day and getting a shock.
Answers: 1
Physics, 22.06.2019 05:30
A2-kg bowling ball is 2.5 meters off the ground on a post when it falls. just before it reaches the ground, it is traveling 7 m/s. assuming that there is no air resistance, which statement is true?
Answers: 3
Physics, 22.06.2019 14:30
Give one example to show that when substances are mixed,it may result in a chemical or a physical change depending on the conditions.
Answers: 2
Supposed to vacuum cleaner uses 120 j of electrical energy. if 45 j used to pull air into a vacuum c...
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