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A 225-m length of wire stretches between two towers and carries a 180-A current. Determine the magnitude of the force on the wire due to the Earth's magnetic field of 5.0 ×10 ?5 T which makes an angle of 62 ? with the wire.
An electron is projected vertically upward with a speed of 1.65x10^6 m/s into a uniform magnetic field of 0.160 T that is directed horizontally away from the observer. What would the radius of the circle be.
A thin circular disk of radius R rotates with angular speed w, about an axis through the centre of the disc and perpendicular to the plane of the disc.
When resting, a person has a metabolic rate of about 5.84 x 105 joules per hour. The person is submerged neck-deep into a tub containing 3.61 x 103 kg of water at 28.8 °C. If the heat from the person goes only into the water, find the water temper..
A 1 Kg mass on a 37 degree incline is connected to a 3 kg mass on a horizontal surface. The coefficient of kinetic friction between all surfaces is 0.10 and the pulley is frictionless and applied force is F=12N.
A horizontal ray of light falls on a vertical plane mirror free to turn about the horizontal axis. If the mirror turns through 20o, by what angle does the reflected ray turn.
The rocket attains its launch speed in a negligibly short period of time, after which its engines shut down and the rocket coasts. Explain by how much does the rocket clear the top of the wall?
A 9.0 Kg box of oranges slides from rest down a frictionless incline from a height of 5.0 m. A constant frictional force, introduced at point A, brings the block to rest at point B, 19 m to right of point A. What is the velocity of the box just be..
Two long, straight wires cross each other at right angles, and each carries same current. Which of the following statements are true regarding the total magnetic field at the various points due to the two wires.
If a person radiates about 65.00 W of power at room temperature, how long does it take for a person to radiate away the energy acquired by consuming a 230 Calorie donut.
What is phase change as the light is reflected from the top
display that Gauss' law is satisfied for the magnetic field due to a straight wire that carries a current I in the +z - direction for a volume that represents a portion of a cylindrical shell of height h, extending from a radius r to a radius R a..
What is the electric potential between the two terminals. A capacitor is formed by placing a 20 cm long charge carrier charged to +10nC placed 5cm away from and parallel to a 20 cm long charge carrier charged to -10 nC. Find the electric field at 1..
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