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In Young's double-slit experiment the distance y between 2nd order bright fringe and the central bright fringe on a flat screen is 0.0179 m, when the light has a wavelength of 425 nm. Assume that the angles are small enough so that sintheta is approximately equal to tantheta . Find the separation y when the light has a wavelength of 610 nm.
The box is cubical, measuring 0.390 m on a side, and the thickness of the walls is 3.00 10-2 m. In one day, 2.90 106 J of heat is conducted through the six walls. Find out the thermal conductivity of the box.
A soccer player extends her lower leg in a kicking motion by exerting a force with the muscle above the knee in the front of her leg. What is the force exerted by the muscle if its effective perpendicular lever arm is 2.10 cm
Briefly describe how the resulting interference pattern will differ for the various types of particles passing through: protons, electrons, neutrinos (mass close to zero) and photons. Assume that the distribution of particle energies is the same f..
A projectile is launched at 64 degrees at 63.7 m/s from the top of a hill. How far down the hill does the projectile hit
n = 3.24 mol of Hydrogen gas is initially at T = 357 K temperature and pi = 2.79×105 Pa pressure. The gas is then reversibly and isothermally compressed until its pressure reaches pf = 7.62×105 Pa. How much work did the external force perform
What is the repulsive electrical force between two protons 4.0×10?15m apart from each other in an atomic nucleus
A second observer hovers in a blimp at an altitude of 571 m and measures the radiation intensity from the antenna when she is 1.41 km from the antenna. What intensity, in milliwatts per square meter, does she measure?
mitch throws a 50 gram lump of clay with a speed of 20 m/s at a 500 gram target, find the coefficient of friction between the target and the surface
Explain how much time will it take for the police officer to reach the speeder, assuming that the speeder maintains a constant speed?
a uniformly charged sphere which carries a total charge q radius r is rotating along z axis with an angular speed ?.
But what, if any, additional assumptions are required in order to determine the way in which matter curves spacetime?
The inner conductor of a coaxial cable has a radius of 0.550 mm, and the outer conductor's inside radius is 3.00 mm. What is the maximum potential difference that this cable can withstand
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