<span>The value of the constant needed to complete in joules to three significant figures is 2.18 x 10^-18 J.</span>
It could be radiation because radiation means <span>the emission of energy as electromagnetic wave, but potential fits it best</span>
Circular motion is what an object has if it is moving around and around and around and around and around and around and around and around and around in a path that is a circle.