What happens when a wave reflects?
a. they are absorbed by the object they hit.
b. they travel through the object they hit.
c. they bend when they hit the medium.
d. they bounce off the object they hit.

The midpoints? a, b, and c are marked on the histogram. match them to the indicated scores. which? scores, if? any, would be considered? unusual?

Ais useful when you need a simple machine to you separate two things. a. lever b. screw c. pulley d. wedge

Give an example of a collision in real life. use the law of conservation of energy to describe the transfer of momentum. be sure and discuss the momentum before and after the collision occurs. you will need at least 3 sentences to thoroughly answer this question.