Calculate the force of gravity on a 4 kg mass at Earth's surface. The mass of the Earth is 6 x 1024 kg and its radius is

6.4 x 106 m. Do not use scientific notation. Round to a whole number (no decimal).

Which of the following statements is true about a current-carrying wire in a magnetic field? A. Reversing the current direction will cause the force deflecting the wire to be parallel to the magnetic field. B.

What is the #1 difference between mechanical and electromagnetic waves?

Max (15 kg) and maya (12 kg) are riding on a merry-go-round that rotates at a constant speed. max is sitting on the edge of the merry-go-round, 2.4 m from the center, and maya is sitting somewhere between the edge and the center.

A scientific theory can change if what?

Which one of the following lines best illustrates personification? A. Spring is a dream unsung. B. She floated graceful as a dove. C. The fog comes on little cat feet. D. A narrow wind complains all day.

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