Aroller coaster is at the top of a hill and rolls to the top of a lower hill if mechanical energy is constant then on the top of which hill is the kinetic energy from the roller coasters motion greater

Apebble is thrown into a calm lake, ripples are formed from the center and move outward. the water particles in the lake travel in a circular pattern that moves up and down on the surface of a lake, and the energy travels a) diagonally. b) downward. c) horizontally. d) upward.

The & support center can provide online tutoring, answers to frequently asked questions (faqs), and information about how to contact your instructors.using the topics below, create an example of reinforcement for each

The solar system is made up of eight planets, numerous comets, asteroids and moons, and the sun. the force that holds all of these objects together is