Centripetal force keeps an objectmoving in a circle and

A. in a straight line.

B. always pulls toward the center.

C. pushes it out in space.

What three quantities dose newton's second law relate?

The force on a negative charge is in the opposite direction of the electric field. a. True b. False

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Which of. the following was not a major advantage of Copernicus's Sun-centered model over the Ptolemaic model? (a) It made signifi. Cllntly better predictions of planetary positions in our sky.

A car is moving with a constant speed of 20. meters per second. What total distance does the car travel in 2.0 minutes? (1) 10. m (3) 1200 m (2) 40. m (4) 2400 m

What is the direction of the force when an object moved in a circle

An observer notes that the pitch of a sound is becoming progressively higher. the observer can conclude that the sound is moving

A falling back in mid air has what

What objects are often arranged by their properties

Which nuclei is not radioactive? A. Am-241 B. Mg-24 C. Pu-241 D. U-238