The point (3,-4) is on the terminal side of an angle 0. what is cos? a. -3/5 b. 3/5 c. -3/4 d. 3/4 e. 3

Oxygen and nutrients are moved through the body by the: a. circulatory system c. lymphatic system b. digestive system d. reproductive system

How to tell if a molecule is polar or nonpolar with electronegativity

The magnitude of the poynting vector of a planar electromagnetic wave has an average value of 0.939 w/m^2 . the wave is incident upon a rectangular area, 1.5 m by 2.0 m, at right angles. how much total electromagnetic energy falls on the area during 1.0 minute?