A boat initially moving at 10 m/s accelerates at 2 m/s^2 for 10s. What is the velocity of the boat after 10 seconds? А. 20 m/s

B. 30 m/s

C. 40 m/s

D. 50 m/s

You throw a baseball directly upward at time =0 at an initial speed of 14.9 m/s. what is the maximum height the ball reaches above where it leaves your hand? ignore air resistance and take =9.80 m/s2.

Awave with a frequency of 500 hz is traveling at a speed of 100 m/s. what is the wavelength?

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