In what part of the milky way galaxy are the stars packed closest together?
a. the halo
b. the disk
c. the nucleus
d. an open cluster

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?

More solar radiation is absorbed by earth’s surface than by

What is the power rating of the lightbulb if 3.0 a flow through it when connected to a 15 v battery