Asprinter starts from rest and accelerates at 1.5 m/s2 fro 20 meters. what is his final velocity? show work

Can somebody explain to me how newton's 3rd law relates to momentum? ~ap physics 1

Name three different units of energy used to measure heat and describe what type of situations each is usually used.

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.