What theory states energy can not be created nor distroyed

A 3kilowatt oven supplied with 9mj, how long can it be ran for

A physics student skis down a hill, accelerating at a constant 2.0 m/s2 If it takes her 15 s to reach the bottom, what is the length of the slope?

The German V-2 rocket was the first man made object in space

The star Eta Carinae is a dying, unstable supergiant. It has sporadic episodes where its own light output rips its outer layers off and throws them off into space, revealing deeper, hotter parts of the stars innards in events known as eruptions.

To be considered a living thing, an organism must be able produce oxygen. increase in size. C. adapt to change. D. move independently.

Both gravitational potential energy and kinetic energy depend on

How much work is done when a 105 g tomato is lifted 19.2 m?

Suppose a body has a mass of 60 kilograms and a velocity of 2 meters per second upward. What is the linear momentum?

Reflection and abssorption prevent some

Why is it important to change only one experimental variable at a time in an experiment?