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a 120 turn coil of radius 1.8 cm and resistance 5.3 ? is placed outside a solenoid of radius 1.6 cm. the solenoid has 220 turns/cm and carries a current 1.5 A. Now the current in the solenoid is reduced to zero at a steady rate in 25 ms. Find the magnitude and direction of the current induced in the coil.
The track near the top of your favorite roller coaster has a circular shape with a diameter of 22 m. What is the speed of the roller coaster
At room temperature what is the strength of the electric field in a 6-gauge copper wire (diameter 4.12 mm) that is needed to cause a 1.73-A current to flow?
Flight to Mars. To send a satellite from Earth to Mars, a rocket must accelerate the satellite until it is in the correct elliptical orbit around the sun. What is the semimajor axis of the satellite's orbit
A certain single ion channel is selectively permeable to K and has a resistance of 1.15 G?, How many K ions travel through the channel during this time
An automobile engine slows down from 3000 rpm to 900 rpm in 4.5 s. find the total number of revolutions the engine makes in this time
A 500-gram mass is attached to a horizontal spring of spring constant 20 N/m and oscillates in simple harmonic motion on a frictionless surface. What is the total energy of the system
A solenoid 30 cm long has 2900 turns of wire and carries a current of 5.7 A. Find the magnetic field at the common center
q1. a 92 kg man standing on a surface of negligible friction shoves a 73 g stone lying at his feet giving it a velocity
A 2.85 kg object is held in place on an inclined plane that makes an angle of 40 degrees with the horizontal. Calculate the initial acceleration of the system
A man is standing on a platform that is connected to a pulley arrangement, as the drawing shows. What pulling force should the man apply to create an upward acceleration of 1.20 m/s2
A 43.0kg seal at an amusement park slides from rest down a ramp into the pool below. what is the work done by kinetic friction
What should the charge (sign and magnitude) of a particle of mass 1.487 be for it to remain stationary while placed in a downward-directed electric field of magnitude 630.
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