In which phase change does a substance change from a liquid to a gas

A force can be a push or a pull that, if unbalanced, can cause a change in an object's motion. a. true b. false

The force of the players head on the ball is 1.5N upward, What is the force of the ball on the players head?

If a storm is 7.5 kilometers away, how much time is expected between observations of lightning and thunder? Round your answer to one decimal place. seconds

A 2-kg bowling ball sits on top of a building that is 40 meters tall. Circle one: KE / GPE / both Show your work for finding the values of each type of energy the object has: 2.

On a cold winter day, a penny (mass 2.50 g) and a nickel (mass 5.00 g) are lying on the smooth (frictionless) surface of a frozen lake. With your finger, you flick the penny toward the nickel with a speed of 2.25 m/s.

On very dry days, when you use a comb or a brush, your hair sometimes stands on the end and maybe even sticks to the comb or brush. Explain why this happens in terms of electric charge.

A large balloon is initially filled to a volume of 1.96 l at 318.44 k and a pressure of 2.89 atm. what volume of gas will the balloon contain at 1.77 atm and 336.33 k?

How to calculate kinetic energy? (physics/physical science)

What's the difference between the offspring of an asexual organism and a sexual organism

The contamination that results from the spread of bacteria from meat to vegetables is called