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A 50 m3 insulated chamber containing air at 40oC, 100 kPa, R.H. 20%, is connected to another 50 m3 insulated chamber containing air at 20oC, 100 kPa, R.H. 100%. The valve is opened and the system is allowed to reach thermal equilibrium. Determine the final pressure, temperature and humidity.
A thin, uniformly charged spherical shell has a potential of 720 V on its surface. Outside sphere, at a radial distance of 29.0 cm from this surface, the potential is 434 V.
A transverse wave is travelling in a denser medium is incident on a rarer medium. How the phase of the wave is affected
A glass sheet is covered by a very thin opaque coating. In the middle of this sheet there is a thin scratch 1.25×10-3mm thick. The sheet is totally immersed beneath the surface of a liquid.
Consider a series RLC circuit with R = 28 , L = 6.0 mH, and C = 31 µF. The circuit is connected to a 10 V (rms), 600 Hz AC source. Find the average power delivered to the circuit
Two ants race across a table 56 cm long. One travels at 4.5cm/s and the other at 2cm/s. When the first one crosses the finish line how far behind is the second one.
A baseball player stealing second base runs at 7.8 m/s. If he slides the last 3.6 m, slowing to a stop at the base, what's the coefficient of kinetic friction between player and ground
In a local bar, a customer slides an empty beer mug on the counter for a refill. The bartender is momentarily distracted and does not see the mug, with what velocity did the mug leave the counter
The center fielder for the school's baseball team throws a 0.150-kg baseball towards home plate at a speed of 26.0 m/s, What is the kinetic energy of the baseball
A 80 kg man is ice-skating due north with a velocity of 6.0 m/s when he collides with a 35 kg child. What is the direction of the child's velocity just before the collision
The total translational kinetic energy of the molecules of a sample of gas at 447 K is 1.33 x 10^4 J, Find the average translational kinetic energy of a single molecule
A sine wave is traveling along a string. The time for a particular point to move from maximum displacement to zero is 0.880 s. What is the period?
In a double-slit experiment, slits separated by 1.260e-4 m are illuminated by a coherent 571 nm light source. What is the angular position of the first bright fringe
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