Ocean Currents: List two ways currents affect life on earth.

Jeremie ran around the track at the ymca for 2 hours. when he was done he figured that he had traveled 20 kilometers. what was his speed? what was his velocity

Two service technicians are discussing the best way to thread a rod. Technician A says they should use a tap and die set. Technician B says they should use a thread repair insert kit. Who is correct?

Twenty students were surveyed to find out how many hours of tv they watch during a school week

A ski lift takes a 60 kg skier to the top of a 100 m slope. Assuming her skis are frictionless, what is her speed when she gets to the bottom of the slope?

You use a 1200-watt hair dryer for 10 minutes each day. a. How many minutes do you use the hair dryer in a month? (Assume there are 30 days in the month.) b. How many hours do you use the hair dryer in a month? c.

What type of change occurs when water changes from solid to a liquid

Definition of artficial and natural radioactivity

In order for an object to conserve it's total mechanical energy it is absolutely necessary that?

Your body is presently converting chemical potential energy from food into thermal energy at a rate of about 100 J/s, or 100 W. If heat were flowing out of you at a rate of about 200 W, would your body temperature go up or down?

Which energy depends the arbitrarily assigned zero level