Why a mirror is good for seeing objects

You can decrease the resistance of a length of wire by

Consider two regions of space containing a static electric field, region a and region b. in region a the equipotential lines are more closely spaced than those in region b. what can be said about the relative strength of the electric field in the two regions? a) the electric field in region a is stronger th

The three classes of rocks are sedimentary, metamorphic, and igneous. how are rocks classified into one of these three groups?