How many electrons flow across the x-ray tube when an exposure is made at 50mAs? 8.0 x 10^17
3.3 x 10^17
8.0 x 10^-21
17 electrons

What makes thermal imaging cameras useful? they can detect differences in color. they can detect differences in wave speeds. they can detect differences in temperature. they can detect mechanical waves.

Several mountains together form a mountain . a few of these combined form a mountain system. several systems combined form a mountain , which can stretch thousands of miles in length.

The amount of potential energy possessed by an elevated object is equal to what?