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A standing wave is set up by reflecting radio waves from a large, flat metal dish. It is found that maxima in the electic field of the standing waves occur at distances 20, 60 and 100 cm from this dish.
a) What is the frequency of the radio waves?
b) Where are the corresponding maxima in the magnetic field?
You are now studying a length of wire that has been coiled up to create a circular coil of 4 turns all arranged compactly, The loop has radius of 0.0240 m and a current of 49.5 A, What is the strength of the magnetic field at the center of the loop
Assuming that the total retarding force on the diver is constant at 55.0 N with the parachute closed and constant at 3600 N with the parachute open, what is speed of the diver while he lands on the ground.
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A parallel-plate air capacitor of area A= 10.0 cm2 and plate separation d= 3.20 mm is charged by a battery to a voltage 50.0 V, how much additional charge will flow from the battery onto the positive plate
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Two identical particles of mass m approach each other at equal and opposite speeds, v. How much kinetic energy was lost in this collision
Suppose the space shuttle is in orbit 460km from the Earth's surface, and circles the Earth about once every 93.80 minutes. Find the centripetal acceleration of the space shuttle in its orbit. Express your answer in terms of g, gravitational accelera..
Gracie slides down a frictionless slide of length L that makes an angle (theta) with the ground. (A.) Gracie starts out at rest at the top of the slide.
Write down the equation for a transverse sinusoidal wave with an amplitude of 2.5 cm and an angular frequency of 2.90 rad/s that is moving along the positive x-direction with a wave speed that is 5 times as fast as the maximum speed of a point on ..
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