George walks to a friend's house. He walks 750 meters North then realizes he walked too far. He turns around and walks 250 meters south. The entire walk takes him 13 seconds. What is his speed per second?

The easiest time to install conduit is when you're A. removing a circuit from a breaker panel. B. snaking wire through finished walls. C. wiring new construction with open walls. D. converting a fuse box to a breaker panel.

An astronaut is in space with a baseball and a bowling balL The astronaut gives both objects an equal push in the samedirection.

Which is a source of direct current

If a woman pushes a box for 3 meters and does 600J of work, how much work does the box do?

What is the difference between charles law and boyle's law?

Which equation represents the total energy of a system?

The weight of a 100 N laser printer is spread over 0.5m2. What is the pressure it exerts? A) 50 N/m2 B) 200 N/m2 C) 500 N/m2

Comparing and contrasting ionic and covalent bonds?

Elevation above sea level is called

The train traveled 500 kilometers north to Odessa in 2 hours. What's the train's speed? What is the velocity?