The diagram shows an engine piston before and after heat is added, which illustrates the laws of thermodynamics. which arrow best indicates the second law of thermodynamics?

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?

An object has a weight of 500 on earth what is the mass of this object

Describe uniform velocity and variable velocity in short