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A plane electromagnetic wave propagates in a vacuum in the z-direction. the wave has a wavelength of 10. meters and the electric field is in the +x direction and has an amplitude of 0.20 V/m, with one maximum at x=0 and t=0. What is the mathematical expression for the magnetic field?
An air molecule is moving at a speed of 455 m/s. How many meters would the molecule move throughout 7ms (milliseconds) if it didn't collide with any other molecules.
A thin metallic spherical shell of radius 42.6 cm has a total charge of 6.95, What is the electric field at a distance of 14.4 cm from the center of the spherical shell
A 300kg piano is being lowered into position by a crane while two people steady it with ropes pulling to the sides. What is the tension in the vertical main cable supporting the piano
Consider the system with m1 = 24kg, m2 = 14.60kg, R = 0.1400m, and the mass of the pulley M = 5.0kg. Object m2 is resting on the floor, and object m1 is 4.600m above the floor when it is released from rest. The pulley axis is frictionless. The cor..
A conducting rectangular loop of mass M, resistance R, and dimensions w by l falls from rest into a magnetic field. All through the time interval before the top edge of the loop reaches the field, the loop approaches a terminal speed vT.
An ideal 0.15-H inductor and a capacitor are connected in series with an ideal 60-Hz generator. Find the capacitance and the rms current in the circuit
If electrons are accelerated from rest in an electron gun by sending them through a potential difference of 11.0 kV, what is the resulting kinetic energy of each electron?
When a turntable rotating at 45 rev/min is shut off, it comes to rest in 20 s. Find the angular acceleration
a red car and a green car move toward each other in adjacent lanes and parallel to an x axis. At time t = 0, the red car is at xr = 0 and the green car is at xg = 211 m, What are the acceleration of the green car
Suppose the mirror is misaligned, so that the actual angle between the normal to the surface and due south is too large by 0.003°. By how many meters (due east) will the reflected ray miss the detector
A device known as Atwood\'s machine consists of two masses hanging from the ends of a vertical rope that passes over a pulley. Assume the rope and pulley are massless and there is no friction in the pulley.
A simple fuel level gauge can use the dielectric constant of the fuel to indicate its level in a tank. For which fuel is this a more appropriate gauge
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