Use the weight of the ball that you calculated in activity B to determine how much work would be required to lift the ball 2 meters above the zero position:

2points what is the job of a scientist? a. to answer ethical questions. b. to write laws based on his or her knowledge. c. to ask and answer scientific questions. d. to ignore facts that do not support his or her theory.

Which three statements represent the benefits of performing experiments using computer simulations?

All of the following are homogeneous mixtures except a) sugar dissolved in water. b) orange juice. c) coffee with cream. d) household vinegar. e) apple juice