a ball is thrown upward 30 m/s. Approximately how much time does it take the ball to travel from the release location A

In the first law of thermodynamics, triangle e=q-w, what does q stand for

Which compound is held together by the electrostatic force between two ions? a. co2 b. cci4 c. h2s d. mgf2

Aspacecraft that renters the earth’s atmosphere drastically slows down. the amount of kinetic energy the spacecraft has as it reenters the earths atmosphere