A 3 m aluminum pole is kept at a residential site for construction

purposes at 25°C. At night, the temperature of the surroundings drops

to 2°C. What is the final length of the aluminum pole? Given the thermal

coefficient of aluminum als 23 10 °C

What are the basic parts of a radio system

Think about all the things we have investigated in class so far this semester. Identify three examples of climate-related aspects of the Earth system that we have discussed in the class.

On roads with lane signals, what does a yellow x mean? A. The lane you're in is about to close or change directions. B. The Lane in is closed or is being used for you coming traffic C. You're driving in the right direction, but you should slow down.

Calculate the drift current density (current density due to conductivity) induced in a silicon semiconductor at T = 300 K when the electron concentration is 1016 cm-3 and applied electric field is 30 V/cm.]

What's is the proper fastener to use to join two wires. A. wire nut B. cellophane tape C. Spring clip D. Staples

Work done by a system during a process can be considered as a property of the system. a) True b) False

When the compression process is non-quasi-equilibrium, the molecules before the piston face cannot escape fast enough, forming a high-pressure region in front of the piston. It takes more work to move the piston against this high-pressure region.

hypothetical A-B alloy of composition 40 wt% B-60 wt% A at some temperature is found to consist of mass fractions of 0.66 and 0.34 for the α and β phases, respectively.

10. Which of these requires a wheel alignment after replacement? A. Struts B. Shocks C. Both

What is the definition of diameter pitch?