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A nonreflective coating (n = 1.34) covers the glass (n = 1.52) of a camera lens. Assuming that the coating prevents reflection of a specific wavelength (vacuum = 523 nm), determine the minimum nonzero thickness that the coating can have.
Beams of high-speed protons can be produced in "guns" usingelectric fields to accelerate theprotons. What acceleration would aproton experience if the gun's electric field were 2.23 x104 N/C?
A cylinder, semicircular in cross-section, 10.0 m long and 5.00 m in radius is completely submerged in water. What is the buoyant force on the cylinder
The angle of reflection of a reflected ray is 75º. what is the angle formed by the incident ray and the reflected ray?
A small object is placed to the left of a convex lens and on the optical axis. What is the position of the image formed by the lens
A space probe accelerated uniformly from 50 m/s at t = 0 to 150 m/s at t = 10 sec. How far did it move between t = 2.0 sec and t = 6.0 sec
A bat can detect small objects, such as an insect, whose sizeis approximately equal to one wavelength of the sound the batmakes. what is the smallest insect a bat can detect
Water is discharged from a large pump and travels at an average velocity of 48 ft/sec. What is the kinetic energy of each lbm of water leaving the pump
The molecular mass of helium is 4g/mol, the Boltzmann's constant is 1.38066 *10-23 J/K, the universal gas constant is 8.31451 J/K * mol, What is the rms speed of each helium atom
A 100 Ohm resistor dissipates heat to its surroundings, isothermally. The resistor maintains a constant temperature of 300 K. How much energy does the surroundings absorb
Suppose you are planning a trip in which a spacecraft is to travel at a constant velocity for exactly eleven months, as measured by a clock on board the spacecraft, how fast must you travel
A system receives 107 joules in the form of heat energy in a specified process and it produces work of 4*10^6 joules. The system velocity changes from 10km/s to 25 km/s and its elevation changes from 20m to 12m. The mass of the system is 50 kg. Deter..
A 2.90 kg lump of aluminum isheated to 92.0°C and then dropped into 7.30 kg of water at 5.00°C. what is the system's final(equilibrium) temperature
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