Physics, 28.11.2019 00:31 iziyahh902
Two long, straight wires, one above the other, are seperated by a distance 2a and are parallel to the x−axis. let the +y−axis be in the plane of the wires in the direction from the lower wire to the upper wire. each wire carries current i in the +x−direction. find b⃗ - the net magnetic field of the two wires at the following points in the plane of the wires.
part a
midway between the wires.
express your answer in terms of the variables i, a, and appropriate constants (μ0 and π). enter your answers separated by commas.
bx, by, bz =
part b
at a distance a above the upper wire.
express your answer in terms of the variables i, a, and appropriate constants (μ0 and π). enter your answers separated by commas.
bx, by, bz =
part c
at a distance a below the lower wire.
express your answer in terms of the variables i, a, and appropriate constants (μ0 and π). enter your answers separated by commas.
bx, by, bz =
Answers: 3
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Two point charges are on the y axis. a 3.90-µc charge is located at y = 1.25 cm, and a -2.4-µc charge is located at y = −1.80 cm. (a) find the total electric potential at the origin. v (b) find the total electric potential at the point whose coordinates are (1.50 cm, 0). v
Answers: 1
Physics, 22.06.2019 14:40
During the experiment if you could triple the breakaway magnetic force with all other quantities left unchanged, what is the new value for the critical velocity if it was v0 (initial velocity), initially? (b) now if you halved the radius with all other quantities left unchanged, what is the new critical velocity if it was v0 (initial velocity), initially? (c) if during the experiment, critical velocity quadrupled with all other quantities left unchanged, what is the new breakaway force if its magnitude was initially f0,?
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A20 cm long spring is attached to a wall. the spring stretches to a length of 22 cm when you pull on it with a force of 100 n. what is the spring constant
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Two long, straight wires, one above the other, are seperated by a distance 2a and are parallel to th...
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