Physics, 21.09.2021 14:20 IsabellaGracie
Esmeralda was testing the direction of current in a wire by seeing how the current moved in a magnetic field. She placed two bar magnets next to each other, with a small gap in between. The north pole of one magnet was on the left, and the south pole of the other was on the right. She placed the wire in the gap between the magnets and turned on the current. If the current was flowing towardsEsmeralda, in which direction would the wire move?A upwardB downwardC leftD right
Answers: 3
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Order the sequence of ideas that lead to marie curies discovery of radioactive elements number the events in chronological order starting with the oldest
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John throws .4 kg ball with velocity of 18 m/s. hits .2 kg bottle and bottle flies 25 m/s. how fast is ball traveling after hitting the bottle?
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Suppose water is leaking from a tank through a circular hole of area ah at its bottom. when water leaks through a hole, friction and contraction of the stream near the hole reduce the volume of water leaving the tank per second to cah 2gh , where c (0 < c < 1) is an empirical constant. a tank in the form of a right-circular cone standing on end, vertex down, is leaking water through a circular hole in its bottom. (assume the removed apex of the cone is of negligible height and volume.) (a) suppose the tank is 20 feet high and has radius 8 feet and the circular hole has radius 2 inches. the differential equation governing the height h in feet of water leaking from a tank after t seconds is dh dt = − 5 6h3/2 . if the height of the water is initially 8 feet, how long will it take the tank to empty? (round your answer to two decimal places.)
Answers: 2
Esmeralda was testing the direction of current in a wire by seeing how the current moved in a magnet...
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