Since the new distance is 3 times the old distance,
the new force is (1/3²) = 1/9th of the old force.
That's kind-of Choice-D, but I really don't like the way choice-D is worded.
"9 times smaller" is really pretty meaningless.
Explanation:
Lasers produce a narrow beam of light in which all of the light waves have very similar wavelengths. The laser's light waves travel together with their peaks all lined up, or in phase. This is why laser beams are very narrow, very bright, and can be focused into a very tiny spot.
C) electrical energy is transformed into heat energy
Answer:
this equation doesn't work
Explanation:
no one listens to radio anymore
Answer:
Newtons second law of motion relates to force, inversely related to its <em><u>mass</u></em><em> </em>and acceleration.
