Suppose that wire a and wire b are made of different metals and are subjected to the same electric field in two different circuits. wire b has 7 times the cross-sectional area, 2.8 times as many mobile electrons per cubic centimeter, and 5 times the mobility of wire a. in the steady state, 2 ✕ 10^18 electrons enter wire a every second. how many electrons enter wire b every second?
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The image shows a pendulum in simple harmonic motion the pendulum starts at a and swing to e
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Physics, 22.06.2019 12:40
Question part points submissions used suppose that 2 j of work is needed to stretch a spring from its natural length of 26 cm to a length of 36 cm. (a) how much work is needed to stretch the spring from 28 cm to 32 cm? (round your answer to two decimal places.)
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Physics, 22.06.2019 18:30
Two 2.0-cm-diameter disks face each other, 1.0 mm apart. they are charged to ±10 nc. what is the electric field strength between the disks? a proton is shot from the negative disk toward the positive disk. what launch speed must the proton have to just barely reach the positive disk?
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Physics, 22.06.2019 18:30
Which word expression describes how much to calculate pressure
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Suppose that wire a and wire b are made of different metals and are subjected to the same electric f...
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