Physics, 08.09.2020 14:01 4804393909
A charge q is transferred from an initially uncharged plastic ball to an identical ball 12 cm away. The force of this attraction is then 17 mn. How many electrons were transferred from one ball to another?
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How much force must a locomotive exert on a 12840-kg boxcar to make it accelerate forward at 0.490 m/s2?
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Which composition of water moves to begin a deepwater current?
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Consider each of the electric- and magnetic-field orientations given next. in each case, what is the direction of propagation of the wave? a)\vec ein the +xdirection,\vec bin the +ydirection. choose+ x direction- x direction+ y direction- y direction+ z direction- z direction b)\vec ein the -y direction,\vec bin the +x choose+ x direction- x direction+ y direction- y direction+ z direction- z direction c)\vec ein the +z direction,\vec bin the -x direction. choose+ x direction- x direction+ y direction- y direction+ z direction- z direction d)\vec ein the +y direction,\vec bin the -z direction. choose+ x direction- x direction+ y direction- y direction+ z direction- z direction
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A charge q is transferred from an initially uncharged plastic ball to an identical ball 12 cm away....
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