S new technology is developed, theories are studied in new ways. Which best describes what happens to the theory? It becomes a hypothesis.
It becomes a law.
It becomes a fact.
It changes over time.

Abatter hits a 0.140-kg baseball that was approaching him at 30 m/s and, as a result, the ball leaves the bat at 40 m/s in the reverse of its original direction. the ball remains in contact with the bat for 2.0 ms. what is the magnitude of the average force exerted by the bat on the ball?

What you see with your eyes is a form of energy. a. light b. heat c. chemical d. electrical

Amother used 150 watts of power to raise a 15 newton object in a time interval of 8.0 seconds. through what vertical distance was the object raised ?