Sample of ideal gas occupying a volume
A sample of ideal gas occupies a volume of 1.5 L and is under a pressure of 300 kPa. The gas undergoes an isothermal expansion to a volume of 4.0 L. How much work is done by the gas?
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A student, starting from rest, slides down a water slide. On the way down, a kinetic frictional force (a nonconservative force) acts on her. The student has a mass of 75 kg, and the height of the water slide is 12.0 m. If the kinetic frictional fo
After a suitable period of time, the reduction in blood pressure for each subject was recorded. A summary of these data is: Treatment n=21 xbar=23.48 s=8.01 Old Drug n=23 xbar=18.52 s=7.15 The researcher suspects that the new drug results in great
After a period of time, the pressure in the tank rises to 1.5 MPa. Determine the final temperature (oC) of the water in the tank. Assume variable specific heats (use the property tables for water).
Wet density, pt = 2.1 g/cm3, G = 2.7, water content, w - 15%. Determine (i) dry density, pd, (ii) porosity, (iii) void ratio, and (iv) degree of saturation.
A wheel of radius R is rolling without slipping. The velocity of the point on the rim that is in contact with the surface, relative to the surface is:
Suppose the power line at the higher voltage would dissipate 3.5 % of the power that it carries. What percentage of the power would be dissipated in the low-voltage power line?
Assume the specific gravity of solids as 2.67. Also determine the void ratios and the degree of saturation of the soil in both the undisturbed and remolded states.
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