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Two high-current transmission lines carry currents of 27.0 A and 80.0 A in the same direction and are suspended parallel to each other 35.0 cm apart.
a) If the vertical posts supporting these wires divide the lines into straight 16.0 m segments, what magnetic force does each segment exert on the other?
b) Is the force found in part (A) attractive or repulsive?
A block weighing 15.0 N rests on the floor. What force does the floor exert on the block
A 581-{\rm N} physics student stands on a bathroom scale in an 821-{\rm kg} (including the student) elevator that is supported by a cable. Find the magnitude of the acceleration of the elevator
When there's a 277 Vrms across a device, the peak value of the alternating current is 4.1 A. How much power does the device comsume
A 0.07 kg bullet traveling at 569 m/s hits a 5.9 kg block of wood and stays in the wood. What is the velocity (speed)of the wood block
A 85.6-kg wrecking ball hangs from a uniform heavy-duty chain having a mass of 27.0kg, Find the maximum tension in the chain
An MSU linebacker of mass 112.0 kg sacks a UM quarterback of mass 84.0 kg. Just after they collide, how fast was the linebacker moving
A rectangular loop is located in a uniform magnetic field of magnitude 0.31 T directed perpendicular to the plane of the coil. what is the magnitude of the emf induced in the coil
The men's world record for the shot put, 23.12 m, was set by Randy Barnes of the United States on May 20; 1990.If the shot was launched from 6 ft above the ground at an initial angle of 42degrees, what was its initial speed.
Calculate the wavelength ?1 for gamma rays of frequency f1 = 6.40×10^-14 Now express this gamma-ray wavelength in nanometers
A ball of clay of mass m travels with velocity v in a path tangent to a disk of Radius R and mass M. What is the final angular speed of the clay and disk
Charge is distributed with constant volume density D throughout the rectangular box with length a, width b and height c.
Two parallel wires are 5 m long. They are seperated by a perpendicular distance of 1 cm and carry currents of 20 A, Find the interaction force between the wires
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