Planets, stars, asteroids and other celestial bodies have generally round shapes. some are ovals, others really bumpy circles, and some are a very squished oval. why are none triangular or rectangular?

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?

What is a neurotransmitter involved in mood reward, addiction, and motor behaviors?

Need people build a dam to create a reservoir that supplies water a nearby city needs. describe two ways this action will likely affect the water cycle in the local environment. (5 points) worth 20 points