An experiment took place in which an arrow was shot against a target and the distance and velocities were measured. The Overall % of the arrow kinetic energy transferred to the target as kinetic energy was 7.2%.
What happened to the original kinetic energy of the arrow? Give at least four possible ways in which this kinetic energy could have been lost.
would the mean lost into heat and sound? I don't really understand what they're asking when saing "four possible ways". any help?
2006-11-12 13:41:04 · 2 answers · asked by Anonymous in Science & Mathematics ➔ Physics
Hmmm, 4 ways. You mentioned heat and sound. Good. Also, don't know what the target is made of, let me assume wood - then breaking wood fibers in the target consumed some energy. One more.... (this might seem like grasping) arrows sometime vibrate after hitting a target. That vibration would be where some energy went.
2006-11-13 04:24:26 · answer #1 · answered by sojsail 7 · 0⤊ 0⤋
Sure, it's an inelastic collision, so conservation of kinetic energy is not maintained. But, since energy cannot be destroyed, it must go somewhere.
That two things, beyond the ones you've listed, happens when the arrow's head penetrates the the wood of the target?
One of them is heat, from the friction of the arrow rubbing against the wood.
2006-11-12 14:49:17 · answer #2 · answered by arbiter007 6 · 1⤊ 0⤋