What additional information is needed for velocity that is not needed for speed? Check all that apply. A. Number B. Time C. Direction D. Units

The speed of light in a material is 0.50 c. what is the critical angle of a light ray at the interface between the material and a vacuum?

(1 point) match the differential equations and their vector valued function solutions. you may wish to multiply at least one solution out fully, to make sure that you know how to do it. you can get the other answers quickly by process of elimination and just multiply out one row element.

Increasing the pressure on one spot of a fluid will increase the pressure everywhere else in the fluid a. pascals principal b. archimedes' principal c. bernoulli's principal