The amp is the unit for
a. voltage
b. current
c. potential energy
d. the distance between charged particles

What term do psychologists use to designate our personal awareness of feelings, sensations, and thoughts?

The of a machine determines its "usefulness." a. input force b. output force c. mechanical advantage

An incident ray through the focal point of a spherical mirror will: reflect through the center of curvature. reflect back through the focal point. reflect parallel to the principle axis. reflect the same direction as the incident ray.