How far will a car travel in 4 hours at 40 mph? Use one of the following to find the answer.

During your summer internship for an aerospace company, you are asked to design a small research rocket. the rocket is to be launched from rest from the earth's surface and is to reach a maximum height of 910 m above the earth's surface. the rocket's engines give the rocket an upward acceleration so it moves with acceleration of 16.0 m/s2 during the time t that they fire. after the engines shut off, the rocket is in free fall. ignore air resistance.

This is the substance(s) formed in a chemical reaction.

If an athlete runs once around a track, back to the starting line, her average velocity is zero. true or false?