An area where the particles in a medium are spaced close together is called a
a. rarefaction
b. compression
c. crest
d. trough

In order for the bug to fly through the air a force has to push the bug forward. identify this force. how does the bug produce

Science and technology are interdependent. advances in one lead to advances in the other. give an example of this phenomenon.

An athlete is holding 24 lb of weights at a height of 6 inches above the stack as shown. to lower the weights, she applies a constant force of 5 lb to the handle. determine the velocity of the weights immediately before they hit the stack.