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A coil of 15 turns and radius 10.0cm surrounds a long solenoid of radius 2.00cm and 1.00 x 10^3 turns/meter. Figure in textbook (fig. P31.14) the current in the solenoid changes as I = 5.00sin 120t, where I is in amperes and t is in seconds. Find the induced emf in the 15-turn coil as a function of time.
in f.e.m.m you should design a practical wave-harvesting buoy with the following specificationsthe primary objective is
charge 1 of 3.24 micro-coulombs is placed at the origin. charge 2 of 3.74 micro-coulombs is placed is x -12.9 cm and y
An ideal massless spring is hanging vertically. When an unknown mass is attached to the spring, What is the frequency of the resulting oscillation
Assuming that he starts from rest when the rope is horizontal, find out the tensions in the rope that are required to make him follow his circular path at each of the following points.
Two ropes are pulling upward on a large crate. The weight of the crate is 420. N. The tension in the left rope is the same as the tension in the right rope. If the crate is moving upward at a constant speed, what is the tension in the left rope?
what is the energy dissipated in the resistor for a battery with an emf of 12 volts connected to a 545-ohms resistor
After a tornado, a 0.60g straw was found embedded 3cm into the trunk of a tree. If the average force exerted on the straw by the tree was 90N, what was the speed of the straw when it hit the tree.
When the centrifuge reaches an angular speed of 2.5 rad/s, the trainee experiences a total acceleration equal to 4.8 times the acceleration due to gravity. Explain how long is the arm of the centrifuge?
Sharon is standing on a giant skateboard that is initially at rest. If we ignore frictional effects with the floor, what is the momentum of the skateboard if Sharon walks to the right with a momentum of 1000 kg*m/s?
If she were to use the mattress as a trampoline losing contact with it for part of each cycle. What minimum amplitude of oscillation does she need.
Two cylindrical glass beads each of mass m = 32 mg are set on their flat ends on a horizontal insulating surface separated by a distance d = 3 cm. The coefficient of static friction between the beads and the surface is μs = 0.3.
Two streams of air, one at 1 bar, 27C and velocity of 30 m/s and the other at 5 bar, 227C and 50 m/s velocity, Find the velocity of the stream issuing out of the nozzle
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