Answer: Transverse
Explanation: Transverse waves possess a vertical wave motion and a horizontal particle motion.
Answer:
Impulse = change in momentum w bounce
There are 2 impulses acting. Recoil of the fan going the negative direction and the impulse of the air bouncing off the sail. The greater impulse will bounce so the direction will be to the right moving the craft.
Pretty sure it’s C. all the others are speeding up. acceleration means gradually (over time) getting faster. So it’s C.