Kirchhoff's junction law says that the total current into a junction must equal the total current leaving the junction.

a. True

b. False

At 500oC, the diffusion coefficient of Cu in Ni is 1.3 x 10-22 m2/s, and the activation energy for diffusion is 256,000 J/mol. From this information, determine the diffusion coefficient of Cu in Ni at 900 oC. (R = 8.314 J / (mol K)) 0oC = 273 K

Two large, nonconducting plates are suspended 8.25 cm apart. Plate 1 has an area charge density of + 86.8 μC/m2, and plate 2 has an area charge density of + 23.6 μC/m2. Treat each plate as an infinite sheet.

If an object with 1600 lb of weight is to be raised vertically from ground level to 5 ft in two seconds, how much power is required?

The power per unit cross-sectional area, E, transmitted by a sound wave is a function of wave speed, V, medium density, rho, wave amplitude, r, and wave frequency, n.

melinda is using a rectangular brass bar in a sculpture she is creating. the brass bar has a length that is 4 more than 3 times its width if the area of the rectangular brass bar is 480 inches what are the dimensions answer

What minimum radius of curvature may be designed for safe operation of vehicles at 70 mi/hr if the maximum rate of superelevation (e) is 6% and the maximum coefficient of side friction (f) is 0.10?

Determine the temperature, in K, of 5 kg of air at a pressure of 0.3 MPa and a volume of 2.2 m3. Ideal gas behavior can be assumed for air under these conditions.

2. What is an important aspect of the American free enterprise system that encourages people to improve their material well-being? (profit motive)

It is suggested that the kitchen in your house could be cooled in the summer by closing the kitched from the rest of the house and opening the door to the domestic electric refrigerator. Is it true or false? State the reason for your conclusion.

True or false Make sure all guard are in place and working at all times