An optic fiber is made of clear plastic with index of refraction of 1.50. for what angle of incidence will light remain within the plastic "guide"?

Gather reliable information to brent make his decision. to gather this information, use newspapers, call insurance companies or look at their web sites, and review consumer magazines and web sites. also, look at the manufacturer web site or for information about gas mileage. list the sources you use and take notes.

In what direction does an applied force move an object

What is the measure of how much matter is in an object and that can be measured using a balance? a. height b. volume c. weight d. mass