Physics, 22.08.2019 12:00 loveuncondition
According to principle of conservation of energy, the total momentum of a system of masses in any direction remains constant unless acted upon by an external force in that direction. a. true b. false
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Physics, 22.06.2019 03:50
Which statement correctly describes a step-up transformer? a. it increases the amount of electric energy available. b. it increases the voltage of an electric current. c. it changes direct current into alternating current. d. it has more loops of wire in its primary coil.
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Physics, 22.06.2019 04:30
In a system, when potential energy decreases, then entropy also decreases. true false
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Physics, 22.06.2019 22:30
Use the drop-down menus to answer each question. which line represents the movement of a cart with a constant acceleration? a which line represents the movement of a cart with a constant velocity? c which lines represents a cart with no velocity or acceleration? b
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According to principle of conservation of energy, the total momentum of a system of masses in any di...
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