Physics, 29.03.2021 05:30 bessieyounger1211
When a positively charged glass rod is brought near an uncharged metal can they will (attract, repel, not change). The (protons, neutrons, electrons) on the metal can will move (towards, away from, not move) the glass rod.
Answers: 2
Physics, 22.06.2019 00:30
In positive numbers less than 1, the zeros between the decimal point and non zero are significant
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Physics, 22.06.2019 07:40
An object's buoyant force and weight mean the same thing.a. trueb. false
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Physics, 22.06.2019 10:40
As you are trying to move a heavy box of mass m, you realize that it is too heavy for you to lift by yourself. there is no one around to , so you attach an ideal pulley to the box and a massless rope to the ceiling, which you wrap around the pulley. you pull up on the rope to lift the box. use g for the magnitude of the acceleration due to gravity and neglect friction forces. once you have pulled hard enough to start the box moving upward, what is the magnitude f of the upward force you must apply to the rope to start raising the box with constant velocity? express the magnitude of the force in terms of m, the mass of the box.
Answers: 1
When a positively charged glass rod is brought near an uncharged metal can they will (attract, repe...
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