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As a 1.00 mol sample of a monatomic ideal gas expands adiabatically, the work done on it is -2500 J. The initial temperature and pressure of the gas are 500 K and 3.60 atm. Calculate the final pressure and temperature?
a string stretched between two fixed ends vibrates in its second harmonic with a frequency f=2 Hz. if the velocity that links the frequency and wavelength is equal to 40 m/s, find the wavelength of the stationary wave
A liquid (p = 1.35 g/cm3) flows through two horizontal sections of tubing joined end to end. Calculate flow speed and pressure in the smaller section
A cylindrical tank is to be designed to contain 5kg of compressed nitrogen at a pressure of 20MPa and temperature of 25?C. What are the external dimensions
A ranger in a national park is driving at 41km/h when a deer jumps onto the road 66 m ahead of the vehicle. After a reaction time of t s, ranger applies the brakes to produce an acceleration of -3.20m/s2. What is the maximum reaction time allowed ..
Three equal point charges, each with charge 1.45?C, are placed at the vertices of an equilateral triangle whose sides are of length 0.650m
An x-ray tube is operated at 45000 V. Find the minimum wavelength of the radiation emitted by this tube
A 13.8-g piece of Styrofoam carries a net charge of -0.72 µC and is suspended in equilibrium above the center of a large, determine the charge per unit area on the plastic sheet
Unpolarized light travels throughout 2 linear polarizers. What (minimum) angle should the second polarizer be relative to the first polarizer (the difference between q1 and q2) so that the final intensity of light is 1/3 original value.
A 139 x 139 timber is used as a short foundation post. It must support a load of 42 kN. Determine the average axial stress in the post
The sinusoidal wave is traveling in the positive x-direction and has a frequency of 21.4 Hz. The wavelength is 10.4 cm, the amplitude is 4.13 cm, and the period is 0.047 seconds. What is the wave's speed?
2 hollow conducting cylindrical shells (radius of 1 cm and 2 cm). The inner cylinder carries a current of 5 A outwards. what is the magnitude of the magnetic field at radius of 2.5 cm
5 kg of water at 60 degrees are put in contact with 1 kg of ice at 0 degrees and are thermally isolated from everything else. What is the change in entropy of the universe while the ice melts
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