What is a measure of the quantity of matter

Which type of wave is not a light wave A) red waves B) radio waves C) ultra-violet waves D) sound waves

A small car of mass 500 kg is rolls forward to the right 20 m, if a braking force is applied backwards to slow the car, what is the work done by the braking force?

How do astronomers think the universe was created?

It takes about 6 sec for a stone dropped from rest at the top of a vertical mine shaft to hit the bottom of the shaft. how deep is the shaft?

All of the following are physical properties of chlorine except it

What units must be used to express the temperature in the equation for the ideal gas law? explain?

Which region of the Sun is typically about 6,000 C?

How well does the infographic ""Plastics in the Ocean"" present a solution to the problem it describes?

Which of the following would be a good question that could be scientifically investigated? what is the best advice a parent can give a child what is the most appropriate number of dogs per household do cherry popsicles freeze slower than orange

Formulas (equations) : A = 3x and B = 5x + 1 As x increases, does A or B go up faster? if x=0, then A=? if x=1 then B=?