A 40kg rock is perched atop a cliff that is 50 m high. What is it's potential energy?

Which planet was almost massive enough to have become a star?

Immature forms of many animals, like Guinea worms, before they morph into adults

What is the relationship between the planets and other astronomical bodies?

Why does the total amount of energy before and after any energy transformations remain the same?

Describe the relationship between a load and a stress.

Smaller bits of rock that pass through the atmosphere and slam into Earth's surface are called a. asteroids. b. meteors. c. meteorites. d. meteoroids.

What is the conversion from 1.2 mm to m

Which sentence contains italicized words that are used as an infinitive phrase? A. Kelly went to the grocery store. B. Tom went there for some flour. C. Mark wanted to go, but not today. D. Jane parked her car behind a truck.

The difference in electric potential between a thunder cloud and the ground is 1.53 108 V. Electrons move from the ground which is at a lower potential to the cloud which is at a higher potential.

A vitamin called folic acid is very important for neural tube development, which is the development of the baby's