at 2.5 seconds, the helicopter has a kinetic energy of 20 j. what is the mechanical energy at that time
Please answer the two learning goals on the attach file (need a three to four paragraphs in length) (300 words minimum) & reply to three peers.
Please answer the two learning goals on the attach file (need a three to four paragraphs in length) (300 words minimum) & reply to three peers.