Spending more time with her grandchildren is most likely a short-term goal for a person of which of these ages?
A. 20 years old
B. 10 years old
C. 30 years old
D. 60 years old

What is the single most important equation in all of physics?

22. the top of a cliff is located a distance h above the ground. at a distance h/2 there is a branch that juts out from the side of the cliff, and on this branch a bird's nest is located. two children throw stones at the nest with the same initial speed, one stone straight downward from the top of the cliff and the other stone straight upward from the ground. in the absence of air resistance, which stone hits the nest in the least amount of time?

For most stars, what does a higher temperature tend to to with? a lower luminosity a higher luminositya red color none of the above