What describes how much matter is in a object?

A landfill in minnesota receives an average of 50 cm of rainfall per year. 60 percent of the water runs off the landfill without infiltrating the surface. the landfill has a surface area of 5000 m2.

If you have a 100-watt light bulb, how much energy does it use each minute?

What is the difference between a balanced force and unbalanced force acting on an object?

If a magnet is attracted to a metal object what can you say about the pole of the magnet and the pole of a object?

the acceleration of a body in free fall depends on the place or the world in which it is, true or false?

Two identical objects are moving directly toward one another at the same speed v. ~v - ~v m m What is the total kinetic energy of the system of the two objects?

Why would a long series of gradual ramps be better than one short, steep ramp for moving heavy blocks of stone?

Why are some liquids more viscous than others?

If a person weighs 125 lbs, 8oz., how many mg does s/he weigh

An iron rod is: A:a good conductor of heat and electricity, but not magnetic B: magnetic and a good conductor of heat, but is an insulator of electricity C: magnetic and a good conductor of heat and electricity D: not magnetic and an insulator of