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Air at 1.02 bar, 22°C, initially occupying a cylinder volume of 0.015 m 3 , is compressed reversibly and adiabatically by a piston to a pressure of 6.8 bar. Calculate :
(i) The final temperature
(ii) The final volume
(iii) The work done on the mass of air in the cylinder.
1 kg of air at 1.02 bar, 20°C is compressed reversibly according to a law pv 1.3 = constant, to a pressure of 5.5 bar. Calculate the work done on the air and heat flow to or from the cylinder walls during the compression.
A viewing window on the side of a large tank at a public aquarium measures 57 inches by 67 inches. Compute the total outward force on the window
A proton is bent into a circular path of radius 4 meter by a magnetic field of 0.3 T. The momentum of the proton is 360 MeV/c. Determine what is its kinetic energy
I have a simple circuit, with two resistors connected in series, R1 at 10 Ohms, and R2 at 100 Ohms. Would there be a difference in their total resistance if I just measure it across both of them, and when I add, but not turn on, a power source. Wo..
Light from an argon laser strikes a diffraction grating that has 5320 grooves per centimetre. The central and first-order principal maxima are separated with 0.488 m on a wall 1.88 m from the grating. Decide the wavelength of the laser light.
A platinum resistance thermometer has resistances of 199.64 ? when placed in a 0°C ice bath and 266.19 ? when immersed in a crucible containing melting potassium. What is the melting point of potassium
A plastic pipe has an inner radius of a = 35.00 cm and an outer radius of b = 60.00cm. Electric charge is uniformly distributed over the region a
one end of a nylon rope is tied to a stationary support at the top of a vertical mine shaft of depth 85.0m . the rope
Pablo and Juna carry a load weighting 720 Newton on a pole between them. calculate what force does each person support
A block of mass M is sliding down a rough inclined plane with constant velocity v. Find an expression for the angle theta
The current in an electric hair dryer is 12A. How many electrons flow through the hair dryer in 5.2 min
A 509-?F capacitor is discharged through a resistor, whereby its potential difference decreases from its initial value of 97.9 V to 22.7 V in 4.99 s. Find the resistance of the resistor in kilohms
A car dealer claims that his product would accelerate at a constant rate from rest to a speed of 200 km/hr in 8s. What approximate distance will the car travel.
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