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A 305 turn solenoid has a radius of 7.00 cm and a length of 24.0 cm.
(a) Find the inductance of the solenoid.
H
(b) Find the energy stored in it when the current in its windings is 0.501 A.
J
An ?-particle has a charge of +2e and a mass of 6.64 ? 10-27 kg. It is accelerated from rest through a potential difference that has a value of 1.06 X 106 V, What is the speed of the ?-particle
Light has a wavelength of 299.3 nm and a frequency of 7.403 × 1014 Hz when traveling through a certain substance. What is the refraction index of this medium
The electric field midway between two equal but opposite point charges is 939N/, What is the direction of the electric field, Calculate the magnitude of the electric field
A horizontal turntable is made from a uniform solid disk and is initially rotating with angular velocity of 7.5 rad/s about a fixed vertical axis through its center. What is the mass of the turntable
You have a 1.99-m-long stretched string with a mass of 19.5 g. When you oscillate the string at 440 Hz, Calculate the tension in the string
You drive at 65 mi/h towards the east for 2 hours and then turn towards the north and drive at 56mi/h for 1 hour. find the average speed and average velocity
Two equally charged, 1.00 g spheres are placed with 2.00 cm between their centers. find the magnitude of the charge on each sphere
A 56.0kg cheerleader uses an oil-filled hydraulic lift to hold four 110kg football players at a height of 1.30m. find the diameter of the football players' piston
a transformer has N^1 =350 turns and N^2 =2000 turns. If the input voltage is 170V, what voltage is developed across the secondary coil?
The Earth is constantly being bombarded by cosmic rays, which consist mostly of protons. Assume that these protons are incident on the Earth's atmosphere from all directions at a rate of 1090. protons per square meter per second.
A ball of mass 0.113 kg is dropped from a height of 1.92m above ground. The acceleration of gravity is 9.8m/s^2.Neglecting air resistance find the speed of the ball when it is at a height of 0.812 m above the ground. Answer in units of m/s.
Consider a parallel plate capacitor with plates of size 2 cm times 2 cm, with a distance of 2 mm between the plates. find the speed with which the proton hits the negative plate
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