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A solenoid has 250 turns in its coil and carries a current of 20.0A.
a. What is the magnitude of the magnetic field inside the solenoid?
b. If the diameter of this solenoid is 5.00cm, what is the magnetic flux through its cross sectional area?
An observer at rest with respect to the sun measures the diameter of the earth (in the direction of its motion) as it swings by in its orbit. Compute how many centimeters shorter is this diameter
An iron brick measuring 200 mm / 20 cm / 0.05 m is submerged in pure water. (Hint: Use Table 4.4 from your book to find the densities) a) What is the weight of the brick? b) What is the buoyant force on the brick? c) What is the net force on the bric..
a student sitting on a frictionless rotating stool has rotational inertia 0.91kg?m2 about a vertical axis through her
There are four charges, each with a magnitude of 2.0μC. Two are positive and two are negative. The charges are fixedto the corners of a 0.30 m square, one to a corner, in such a waythat the net force on any charge is directed toward the center oft..
A merry-go-round with a moment of inertia equal to 1250 kg•m2 and a radius of 2.5 meter rotates with negligible friction at 1.70 rad/s. Compute what is her mass
A block slides down a frictionless inclined ramp. If the ramp angle is 15o and the length of it is 19 meter, obtain the speed of the block as it reaches the end of the ramp
a 1.50-uf capacitor charged to 40.0 v and a 2.40-uf capacitor charged to 12.0v are connected to each other, What is the final charge on the 1.50-uf capacitor
A metal Ball has +5.1 coulombs of charge. If 1.0 x 1019 number of electrons are removed from the ball, what would be the resultant charge of the ball?
A charge of q = +7.50 µC is located in an electric field. The x and y components of the electric field are Ex = 4.80 103 N/C and Ey = 7.40 103 N/C, respectively. (a) What is the magnitude of the force on the charge? (b) Determine the angle that th..
Find an expression for the Pointing vector S→(r→,t). If the intensity of the wave is 250 mW/cm2, what is the amplitude of the magnetic field Bo?
A red ball is thrown down with an initial speed of 1 m/s from a height of 27 meters above the ground. What is the maximum height the blue ball reaches
Two boxes A and B are connected by a lightweight cord (disregard the mass of the cord). Box A is to the right of Box B. The mass of Box A is 10.0 kg. What is the acceleration of each box
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