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A sinusoidal electromagnetic wave having a magnetic field of amplitude 1.05 and a wavelength of 442 is traveling in the direction through empty space. What is the frequency of this wave? What is the amplitude of the associated electric field?
A 8150 kg sailboat is moving through the waters of the Atlantic. Initially, the boat is traveling at 30 mph, 17 degrees East of North. What is the force of the wind acting on the boat
The work function of tungsten is 4.50 eV. Calculate the speed of the fastest electrons ejected from a tungsten surface
A copper pot with a mass of 0.505kg contains0.175kg of water, and both are at a temperature of21.0?C. Find the final temperature of the system
Two friends hold on to a rope, one at each end, on a smooth, frictionless ice surface. What is the magnitude of the angular momentum of the system comprised of the two friends
A ball falls straight down onto a wedge that is sitting on frictionless ice. The ball has a mass of 3.27 kg, and the wedge has a mass of 5.31 kg. what is the velocity of the ball after the collision
Find the critical angle for an optical fiber whose core has n value of 1.55 and whose cladding has n value of 1.20
A 22 V battery is connected to a parallel-plate capacitor with a plate area of 0.28 m2 and a plate separation of 2.1 mm. What is the resulting charge on the capacitor
A monoatomic gas is contained in a vessel from which it leaks through a fi ne hole of area A. Show that the average kinetic energy of molecules leaving through the hole is 2kBT.
A block of mass=0.750kg is fastened to an unstrained horizontal spring whose spring constant is k=65.0N/m. The block is given a displacment of 0.220m and then released from the rest.
A rocket is fired at a speed of 82.0 m/s from ground level, at an angle of 38.0 ° above the horizontal, By how much does the rocket clear the top of the wall
An express train passes through a station. It enters with an initial velocity of 22.0 m/s and decelerates at a rate of 0.150 m/s2 as it goes through. How fast is it going when the nose leaves the station
Under some circumstances, a star can collapse into an extremely dense object made mostly of neutrons and called a neutron star. find the angular speed of the neutron star
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