A cylinder is initially filled with 5ft3V1 of air at a pressure of 30 psig p1. The air is compressed to a volume of 2ft3V2. What is the pressure p2 in psig after compression?

What precautions should you take to prevent injuries when dealing with heavy loads?

Different types of steels contain different elements that alter the characteristics of the steel. for each of the following elements, explain what the element does when alloyed with steel.

The filament of an incandescent lamp has a temperature of 2000k. calculate the fraction of radiation emitted in the visible light band if the filament is approximated as blackbody