* What does it mean when energy is conserved?
* How are energy and work related?
* What are the two basic types of energy and how are they related?

Identify two factors that determine the rate of stream erosion

An airplane flying parallel to the ground undergoes two consecutive displacements. the first is 76 km at 39.8◦ west of north, and the second is 156 km at 59.9◦ east of north. what is the magnitude of the plane’s total displacement? answer in units of km. 020 (part 2 of 2) 10.0

Asample of a gaseous substance changes into a liquid