Imagine a single charge creating an electric field. what is the relationship between electric field strength and the distance from the charge? a. direct
b. inverse
c. inverse squared
d. indirect

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

What is created when solids,liquids,an gases mix with one another

Two rigid transformations are used to map δhjk to δlmn. the first is a translation of vertex h to vertex l. what is the second transformation? a reflection across the line containing hk a rotation about point h a reflection across the line containing hj a rotation about point k