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A 550-turn solenoid, 19 cm long, has a diameter of 2.8 cm . A 20-turn coil is wound tightly around the center of the solenoid. If the current in the solenoid increases uniformly from 0 to 3.2 A in 0.21 s , what will be the induced emf in the short coil during this time?
A 500 nm wavelength light illuminates a soap film with an index of refraction 1.22 to make it look bright. what is the minimum thickness of the film
Travel to the stars requires hundreds or thousands of years, even at the speed of light. If the rocket ship's speed is 0.505 c, calculate the time for the trip, as measured by people on earth
Two turning forks oscillating coherently and in phase at 1200Hz are separated by 0.35m, Calculate the angles of minimum intensity
Light passes from a crown glass container into water. If the angle of refraction is 40o, what is the angle of incidence
A small asteroid is discovered in a circular orbit around a larger asteroid at a distance of 19.39 km. The period of the orbit is measured to be 76.76 hours. What is the mass of the larger asteroid
An electron is accelerated through a potential difference of 3.00 V before colliding with a metal target. What minimum-wavelength light can such an electron emit
a nearsighted person cannot see objects clearly beyound 30cmthe far point. if the patient has no astigmatism and
A 0.00893-kg bullet is fired straight up at a falling wooden block that has a mass of 1.80 kg. The bullet has a speed of 551 m/s when it strikes the block. The block originally was dropped from rest from the top of a building and had been falling for..
A 48.0-kg projectile is fired at an angle of 30.0° above the horizontal with an initial speed of 1.44 102 m/s from the top of a cliff 152 m above level ground, How much work has been done on the projectile by air friction
A square, single-turn coil 0.22 m on a side is placed with its plane perpendicular to a constant magnetic field. An emf of 16 m V is induced in the winding when the area of the coil decreases at a rate of 0.08 m2/s. What is the magnitude of the magne..
a small motor draws a current of 1.75 A from a 120.0 V line. It costs $35.81 to operate the motor for 4.00 hrs at $0.0600 /kWh. What is the power output of the motor
Starting from rest, a hoop rolls without slipping down a long ramp. What is its translational speed when it's 5.0 m below its initial
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