What is the acceleration of an object if it goes from a velocity of 25 m/s to rest in 5.0 s?
a.–5 m/s2b. 5 m/s2c.–25 m/s2d. 25 m/s2

Which term best describes the phrase “something that happens”?

=force × distance a. work b. velocity c. pressure d. momentum

Imagine you are standing in the antarctic during the southern hemisphere summer. the sky is clear and blue. there are no clouds in the sky. your shadow is cast on the icy ground. what is the color of the shadow?