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A solenoid 27.0 cm long and with a cross-sectional area of 0.510cm2 contains 410 turns of wire and carries a current of 70.0 A
Part A Calculate the magnetic field in the solenoid.
Part B Calculate the energy density in the magnetic field if the solenoid is filled with air.
Part C Calculate the total energy contained in the coil's magnetic field (assume the field is uniform).
Part D Calculate the inductance of the solenoid.
At an outdoor market, a bunch of bananas attached to the bottom of a vertical spring of force constant 16.0 N/m is set into oscillatory motion with an amplitude of 20.0 cm, What is the weight of the bananas in newtons
A beam of light is incident from air on the surface of a liquid. find the critical angle for the liquid when surrounded by air
A crate travels 30 m due to a constant force of 350 N. The friction can be neglected for the first 15 m. What is the final speed of the crate if it weighs 110 kg
If you lie on the ground at night with no cover, you get cold rather quickly. Much of this is due to energy loss by radiation. Estimate the net rate at which your body loses energy by radiation to the night sky under these conditions
A certain current on passing through a galvanometer produces a deflection of 100 divisions. The galvanometer resistance would be
When an ion accelerates through a potential difference of 2240V, What is the charge on the ion
An electric generator has a 20-turn coil of area 0.04 m2 rotating uniformly at 60 rev/s in a magnetic field of 1.0 T, Calculate the peak value of the induced voltage
A car of mass M= 900-kg travelling at 45.0 kmh enters a banked turn covered with ice. The road is banked at an angle, and there is no friction between road and car's tires.
A machine shop has 100 equally noisy machines that together produce an intensity level of 90 dB. how many machines must be turned off
A 45 g golf ball is pushed up a 30° ramp. The ball starts from rest and the length of the surface of the ramp is 5 m. What was the magnitude of the pushing force
A particle has a charge of +2.3 ?C and moves from point A to point B, a distance of 0.12 m. Find the magnitude of the electric force that acts on the particle
A ball is thrown at an initial velocity of 105 mph upward at a roof. The ball is thrown a distance of 100 ft from the building. The building is 525 ft tall. Will the ball reach the roof
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