Physics, 02.07.2019 14:30 bankscorneliuso39
How are magnetic poles and electrical charges similar? a. their same forces repel each other, and their opposite forces attract each other. b. their same forces attract each other, and their opposite forces repel each other. c. magnetic force is equal to electric force. d. only electric charges are moving. e. magnetic poles can switch positions.
Answers: 1
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Acave rescue team lifts an injured spelunker directly upward and out of a sinkhole by means of a motor-driven cable. the lift is performed in three stages, each requiring a vertical distance of 11.0 m: (a) the initially stationary spelunker is accelerated to a speed of 4.80 m/s; (b) he is then lifted at the constant speed of 4.80 m/s; (c) finally he is decelerated to zero speed. how much work is done on the 78.0 kg rescue by the force lifting him during each stage
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There are weak or strong attractive forces between atoms of liquids with a high viscosity
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How are magnetic poles and electrical charges similar? a. their same forces repel each other, and t...
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