Light wands are small tubes that can be used to give off light without electricity or fire. a light wand keeps two fluids separate from each other until the wand is bent. once the wand is bent, the tube holding the inner fluid breaks, and the two fluids mix together inside the wand. where does the light energy of a glowing light wand come from? a. the mechanical energy of the broken tube b. the heat energy of the fluids inside the wand c. the chemical energy of the fluids inside the wand d. light energy from the sun striking the wand

The heliocentric and the geocentric models of the solar system included these central principles

How does the entropy of steam compare to the entropy of ice?

An ascending elevator, hanging from a cable, is coming to a stop. part a part complete identify all forces acting on the elevator from the list below. select all that apply. select all that apply. kinetic friction normal force tension weight static friction submitprevious answers correct part b draw a free-body diagram of the object. draw the vectors starting at the black dot. the location and orientation of the vectors will be graded. the exact length of your vectors will not be graded but the relative length of one to the other will be graded.