Why is zinc chloride a substance and not a mixture

A box of mass 3kg is lifted onto a shelf. Calculate the change on its gravitational potential energy. The gravitational field strength is 10N/kg.

What form of energy is light

What are the 4 significant figures of 31,546,000?

1. The dust and gases in outer space are called A. plutoids. B. interstellar medium. C. space debris. D. There is no special name for them.

The speed of a car is decreased uniformly from 30. meters per second to 10. meters per second in 4.0 seconds. What was the car's acceleration?

A ball is thrown with an initial speed of 10. meters per second. At what angle above the horizontal should the ball be thrown to reach the greatest height? (1) 0° (3) 45° (2) 30.° (4) 90.°

If you change the mass of a moving object, you change its?

Acceleration increases over time once a force is applied to the object. Given a force of 10.0 Newtons, which mass will have the greatest acceleration?

Which resources does the National Park Service manage? Check all that apply. seashores monuments memorials wildlife refuges ecosystems endangered species

Why are large astronomical bodies round