Which statement best describes the skier?

a. the skier has potential and kinetic energy.
b. the skier has only potential energy.
c. the skier has only kinetic energy.
d. the skier does not have potential or kinetic energy.

Astudent is given an assignment to demonstrate diffraction. he takes a photograph of a straw in a glass of water. the straw appears bent at the water level. which best describes this example? a) this is a good example of diffraction. b) this is an example of dispersion and not diffraction. c) this is an example of refraction and not diffraction. d) this is an example of reflection and not diffraction.

Choose a synonym for the underlined homonym (a word with two or more meanings). i did not expect the boat to rock so much. a. boulder c. astound b. sway d. shock

Diamond will scratch quartz. true or false