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One solenoid is centered inside another. The outer one has a length of 46.0 cm and contains 6700 coils, while the coaxial inner solenoid is 4.0 cm long and 0.150 cm in diameter and contains 24 coils. The current in the outer solenoid is changing at 34.5 A/s . What is the mutual inductance of these solenoids? Find the emf induced in the inner solenoid?
How does the diameter of the lens affect magnification? How does the diameter of the lens affect the focal length?
A perfectly reflecting flat mirror is uniformly illuminated by light striking it perpendicularly. Calculate the intensity of the light
Light of wavelength 500 nm illuminates a round 0.50-mm-diameter hole. find the width of the central bright circle on the screen
A gas expands, changing its volume by +2.12×10-4 m3while at a constant pressure of 4.17×105 Pa. What is the work done by the gas on the surroundings
A river has a steady speed of 0.482 m/s. A student swims upstream a distance of 1.00 km and swims back to the starting point. If the student can swim at a speed of 1.24 m/s in still water, how long does the trip take
Light from the bottom of a swimming pool is incident on the surface at an angle of 20°. What is the angle of refraction
Two and one-half kg of ice at temperature T' = 0ºC is melted into water at the same temperature by placing it in contact with a reservoir at temperature TR = 20.0ºC. What is the change in the entropy of the universe
After catching the ball, Sarah throws it back to Julie. The ball leaves Sarah's hand a distance 1.5 meters above the ground, What is the speed of the ball when it leaves Sarah's hand
at the instant the traffic light turns green a car that has been waiting at an intersection starts ahead with a
A lead bullet with a mass of 0.02 kg traveling at 209 m/s strikes an armor plate and comes to a stop. what is the temperature change
You put a mass on the end of a light string so that it forms a simple pendulum that swings back and forth with a period T. If you double the mass on the end of the string, the period of the pendulum will... A mass is oscillating up and down on the ..
FM radio stations use radio waves with frequencies from 88.0 to 108 MHz to broadcast their signals. Assuming that the inductance in the figure has a value of 7.50 10-7 H, determine the range of capacitance values that are needed so the antenna can..
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