A spherical drop of water has r 1mm if the surface
A spherical drop of water has r = .1mm . If the surface tension of water is 72 dynes/cm, calculate the pressure difference across the interface.
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Refrigerant 134a enters the compressor of a vapor compression heat pump at 15 psi and 0 °F and is compressed to 160 psi and 160 °F. Liquid enters the expansion valve at 160 psi and 95 °F. At the valve exit the pressure is 15 psi.
A certain black body radiates 1200 W at a temperature of 2000 K. how much power does this body radiate at 3000 K
Two capillary tubes have radii of 1 mm and 0.5 mm respectively. They are placed in a liquid whose density is 0.80 g/cc and which completely wets the walls of the tube, i.e. theta = 0. The difference in height of capillary rise is 0.74 cm.
A capacitor has a capacitance of 2.48 10-8 F. In the charging process, how many electrons have been transferred
What recommendations for juvenile courts does Barry C. Feld offer that would not necessitate abolishing them? Why does he dismiss them, preferring instead to abolish juvenile courts altogether? What "cushions" does Feld recommend for juveniles being
In the drawing, the weight of the block on the table is 418 N and that of the hanging block is 205 N. What is the acceleration of the two blocks
Papier Nouveau, a distributor of commercial printing supplies. As the Director of HR for Papier Nouveau, you are responsible for calculating monthly incentives.
A copper bar 2.5 m long has a circular cross section of radius 2 cm. One end is kept at 80 oC and the other end is kept at 0 oC. what is the thermal current in the copper bar
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