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a 50 cm long solenoid has 100 turns of wire and carries a current of .95 A. it has a ferromagnetic core completely filling its interior where the field is .71 T. determine the
(a) magnitude permeability and,
(b) relative magnetic permeability of the material.
A person pulls a toboggan for a distance of 41.7 m along the snow with a rope directed 24.3 ° above the snow, How much work is done on the toboggan by the tension force
A skier of mass 79 kg is pulled up a slope by a motor-driven cable. What power must a motor have to perform this task
When subject to a steady acceleration of 0.500 g the object must be located 0.350 cm from its equilibrium position. Find out the force constant required for the spring.
A 4kg mass rests on a tabletop and is attached to a spring with the spring constant 100N/m. find the equation of motion for the oscillator
An ocean liner leaves New York City and travels 20.0° north of east for 199km. How far east and how far north has it gone? In other words, what are the magnitudes of components of ship's displacement vector in the following directions.
A converging lens with a focal length of 20cm and a diverging lens with a focal length of -52cm are 92.0cm apart. Calculate the distance between image and diverging lens
A uniform electric field of 1.5 × 104 N/C is oriented in the positive x direction. A uniform magnetic field of 5 T is oriented in the negative x direction. What is the net force on the proton
Two lightbulbs operate on the same potential difference. Bulb A has four times the power output of bulb B. What is the ratio of the current in bulb A to the current in bulb B?
A place kicker must kick the football from a point 30.2 m from the goal and clear a bar 3.00 m above the ground. what is the vertical component of the ball's velocity
Four wires meet at a junction. In two of the wires currents I1 = 1.51 A and I2 = 2.99 A enter the junction. Find the current in the fourth wire
Calculate the magnitude of the angular momentum of the Venus in a circular orbit around the sun. The Venus has mass 4.87×1024 kg
An object has a charge of -4.3 ?C. How many electrons must be removed so that the charge becomes +2.8 C?
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