A friend is adamantly against building any more nuclear power plants in your local area. You, however, understand its benefits. How might you address your friend to convince him of the need for the new power facility?

A1000-kg weather rocket is launched straight up. the rocket motor provides a constant acceleration for 16-s, then the motor stops. the rocket altitude 20-s after launch is 510-m. you can ignore any effects of air resistance. a. what was the rocket’s acceleration during the first 16-s? b. what is the rocket’s speed as it passes through a cloud 5100-m above the ground?

Often called simply "velocity," this is the velocity of an object at a particular moment in time.

What is the orbital period of a spacecraft in a low orbit near the surface of mars? the radius of mars is 3.4×106m.