Which of the following is an example of kinetic energy? a can of paint sitting at the top of a ladder a dog running down the street a bird perched on a wire a person taking a napWhy are rest of them not examples of kinetic energy?

The amount of work done depends on what two things

Which of the following would be considered basic science questions? A. How can cars be made safer? B. What is the best way to improve a gas engine? C. Why do many birds have colorful feathers? D. What are the stages in the life cycle of a star?

The terrestrial planets and the giant planets have different compositions because

How does convection move the plates

The energy needed to get a reaction started is the A. adhesion energy. B. activation energy. C. cohesion energy. D. chemical energy.

Stars set about how many minutes earlier each day? A. 8 B. 6 C. 4 D. 2

Whose atomic theory explains how atoms emit and absorb light

Closed clusters are groups of closely grouped stars that are located along the spiral disk of a galaxy. a. True b. False

Five forces are exerted on a box as follows: 10 N south 20 N north 50 N east 35 N west 15 N west. What is the resultant force?

A 1 kg particle moves upward from the origin to (23) m. Wit is work done by the force of gravity which is in - y direction s B. 19,6 D. 29.4) A.-19.6 J C. - 29.4 J