A barbel weighing 215N is raised to a height of 2.0 M above the ground. It is then dropped from that height. A. What is the kinetic energy of the barbell as it hits the floor?
B. What is the velocity of the barbell as it hits the floor?

During takeoff, the sound intensity level of a jet engine is 170db at a distance of 34 m. what's the sound intensity level at a distance of 1.0 km?

Gather reliable information to brent make his decision. to gather this information, use newspapers, call insurance companies or look at their web sites, and review consumer magazines and web sites. also, look at the manufacturer web site or for information about gas mileage. list the sources you use and take notes.

The movement of electrons between atoms is called an