Physics, 28.09.2019 07:50 fireflies145

Which variable would be most useful in determining the number of people eligible for retirement benefits in a certain year?

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Physics, 22.06.2019 12:10, lks715

Point charges q1 = 51 µc and q2 = −27 µc are placed 1.0 m apart, with q2 on the right. what is the force (in n) on a third charge q3 = 19 µc placed midway between q1 and q2? (assume the positive direction is to the right. indicate the direction with the sign of your answer.)

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Physics, 22.06.2019 13:30, Bra1nPowers

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Physics, 22.06.2019 15:30, 2605098

Ametal ring 4.20 cm in diameter is placed between the north and south poles of large magnets with the plane of its area perpendicular to the magnetic field. these magnets produce an initial uniform field of 1.12 t between them but are gradually pulled apart, causing this field to remain uniform but decrease steadily at 0.240 t/s . (a) what is the magnitude of the electric field induced in the ring? (b) in which direction (clockwise or counterclockwise) does the current flow as viewed by someone on the south pole of the magnet?

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Which variable would be most useful in determining the number of people eligible for retirement bene...