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An electric power line carries a current of 1400 A in a location where the earth's magnetic field is 6.0 ? 10-5 T. The line makes an angle of 75° with respect to the field. Determine the magnitude of the magnetic force on a 100 m length of line.
A particular wire has a resistivity of 6.21×10-8 m and a cross-sectional area of 2.04 mm2. A length of this wire is to be utilized as a resistor that will develop 120 W of power when connected to a 6.50 V battery. What length of wire is required?
A 4.80-A current runs through a copper wire of DIAMETER 2.050 mm and through the filament of a light bulb to which the wire is attached. What is the current density in the copper wire
A particle with a charge of 14 µC experiences a force of 2.9 x 10-4 N when it moves at right angles to a magnetic field with a speed of 26.7 m/s. What force does this particle experience
The speed of a particle in a particle accelerator goes from .50000c to .99950c. Determine the magnitude of final relativistic momentum
the shanghai maglev train can travel at speeds up to 431kmhr. the pudong international airport is approximately
Two balls, of masses m(a) = 40 g and m(b) = 60 g, aresuspended. The lighter ball is pulled away to a 60 degreeangle with the vertical and released. what is the velocity ofthe lighter ball before impact
The only force on a 4.0-kg body as it moves along the x axis is given by F(subscript "x") = (14 - 6.1x) N, What is the maximum kinetic energy attained by the body
The human body can survive an acceleration trauma incident (sudden stop) if magnitude of the acceleration is less than 250;{rm m}/{rm s}^{2}.
A 3.0 mW laser produces a beam of light with a diameter of 2.6 mm shines its light on a perfectly absorbing surface. What is the radiation pressure exerted by the beam
find the lenght of electromagnetive waves if end of frequency omega 10 in 5 hertz omega and absonant is 885 15 perimeter
An air-core solenoid has a length of 27.1 cm, a cross-sectional area of 0.0454m2, By how much does the magnetic flux through the solenoid change
There are four charges, each with a magnitude of 2.06 μC. Two are positive and two are negative. Calculate the magnitude of the net electrostatic force experienced by any charge
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