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A very long solenoid with a circular cross section and radius r= 6.10 cm with n= 1.20E+4 turns/m has a magnetic energy density uB= 4.50 mJ/m3.
a) What is the current in the solenoid?
b) What is the total energy stored in the solenoid if its length is 0.740 meters? (Neglect end effects.)
An engine goes through the following cycle with 2.20 sample of a diatomic gas. I. an isothermas expansion from point a to point b. II. a constant pressure compression from point b to point c. III.
A 50.0-kg child on a 2.0 m long swing is released from rest when the swing supports make an angle of 30 degrees with the vertical. find the potential and kinetic energies of the child
describe free-body diagram for the mass. Calculate the tension in each part of the rope.
The ball is 21.9 m from the goal post. The ball is kicked with an initial velocity of 19.8 m/s at an angle θ above ground. Between what two angles, θ1 and θ2, will the ball clear the 2.74m high crossbar.
A hotel elevator ascends 240 m with a maximum speed of 5.8 m/s. Its acceleration and deceleration both have a magnitude of 1.0 m/s2.
A point charge with charge q1 = 2.00?C is held stationary at the origin, How much work W is done by the electric force on the moving point charge
When the emf for the primary of a transformer is of amplitude 7.10 V, the secondary emf is 85.2 V in amplitude. What is the transformer turns ratio
If the car had been going 10m/s but had stopped in the same d = 167m distance, what would its acceleration have been.
Kahlinium is an H-like atom consisting of an electron and the positive Casimir particle, what would be the wavelength of the first line of the Lyman emission series for this atom
the data represents the resistance R of a thermistor in Ohms as a function of tempeature T in kelvin make a graph of the natural logarithm of the resistance ln(R) versus the inverse of the temperature, 1/T and determine the constants Ro and B in R..
strikes the wooden block of a ballistic pendulum, as shown. The block has a mass of 270 g. Find out the speed of the bullet/block combination immediately after the collision.
A car starts from rest and then accelerates uniformly to a linear speed of 16 m/s in 42 s. If the tires have a radius of 27 cm, what are the following.
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