A magnet produces a magnetic field. A current-carrying wire has a magnetic field around it. Its magnetic field interacts with the magnetic field of the magnet generating a magnetic force. A magnet will exert a force on:
a. A current-carrying wire.
b. A piece of steel.
c. A beam of electrons.
d. All of the above.
Answers: 3
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Afaulty model rocket moves in the xy-plane (the positive y direction is vertically upward). the rocket's acceleration has components ax(t) = ? t2 and ay(t) = ? ? ? t, where ? = 2.50 m/s4 , ? = 9.00 m/s2 , and ? = 1.40 m/s3 . at t = 0 the rocket is at the origin and has velocity ~v0 = v0x ? i + v0y ? j with v0x = 1.00 m/s and v0y = 7.00 m/s. (a) calculate the velocity and position vectors as functions of time. (b) what is the maximum height reached by the rocket? (c) sketch the path of the rocket. (d) what is the horizontal displacement of the rocket when it returns to y = 0?
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A150 liter sample of dry air in a cylinder exerts a pressure of 3.00 atmospheres at a temperature of 25°c without change the temperature a piston is moved in the cylinder until the pressure in the cylinder is reduced to 1.00 atmospheres the volume of the gas
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Physics, 23.06.2019 22:50, JLapworth1130
As part of an outdoor display, a 5-kg model c of the earth is attached to wires ac and bc and revolves at a constant speed v in the horizontal circle shown. determine the range of the allowable values of v if both wires are to remain taut and if the tension in either of the wires is not to exceed 116 n. given: r = 0.905 m.
Answers: 3
A magnet produces a magnetic field. A current-carrying wire has a magnetic field around it. Its magn...
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