which type of graph would be most appropriate for a track runner to use, in order to look at how his speed varied during a 440 meter race?
a) bar graph
b) pie graph
c) histogram
d) line graph

Atrain departs from its station at a constant acceleration of 5 m/s. what is the speed of the train at the end of 20s?

Which safety measures should you follow during a thunderstorm? check all that apply. (a) avoid touching anything that conducts electricity. (b) avoid touching a person who has been struck by lightning. (c) go outside. (d) keep your computer turned off. (e) stay out of water. (f) stay inside.

Which two particles are found in the center of an atom