<span>vibrations that travel through the air or another medium and can be heard when they reach a person's or animal's ear.</span>
Answer:
it is attracted to negative pole
Answer: Calculate the work input in a pulley by using the previous readings in the correct mathematical equation. : Work (W) equals force (f) multiplied by distance (d), or W=fd. The work done by the pulley is the equation of weight (w) multiplied by height traveled (h).
Explanation: