Which is a good example of a contact force?

protons in the nucleus of an atom

a ball falling down after it's thrown up into the air

a satellite orbiting Earth

a bat hitting a ball

Which asteroid has more potential energy an asteroid that is closest to the sun or an asteroid that is farthest away from the sun? (why)

In a nuclear reactor, the moderator is: usually made of graphite placed between the fuel rods used to slow down neutrons all of the above none of the above

List 5 objective for the game of Badminton?

Beryllium, magnesium and calcium all are located in the alkaline earth group. Which of these characteristics do these elements have in common?

Quiz Questions Choose True or False When heat is added to a body, the particles of the body usually result increase in volume and temperature.

In a class debate, a student argues that the big bang theory is "just a theory." What is most likely to be this student's understanding of scientific theories? A. Theories agree with observations of nature. B. Theories are just guesses. C.

Look at the advertisement. A poster that reads, "There's more to resistors than resistance. If you're really serious about cost, be serious about quality." with tools. Which persuasive media technique is used in this advertisement

If you were told an atom was an ion, you would know the atom must have a

When a potential difference of 13 V is placed across a resistor, the current in the resistor is 1.4 a. What is the resistance of the resistor?

Person with a mass of50 kg jumps up from the earth with an acceleration of 20 newtons. what is his acceleration?