A rocket launched at a 60 degree angle has a launch velocity of 31.00 m/s. What is the magnitude of the rocket initial vertical velocity
A. 10 m/s
B. 15.5 m/s
C.31 m/s
D. 31 m/s

Will a heavier bowling ball hit pins better than a lighter bsll

According to social exchange theory, altruistic behaviors benefit the individual who performs them.

You are traveling in a car going at a constant speed of 100km/h down a long, straight highway. you pass another car going in the same direction which is traveling at a constant speed of 80km/h. as measured from your car's reference frame this other car is traveling at −20km/h. what is the acceleration of your car as measured from the other car's reference frame? what is the acceleration of the other car as measured from your car's reference frame?