Q. A shipwreck survivor is lying on a raft in the middle of the ocean. The survivor trying to pass the time counts 15 crests that pass the raft in 45 seconds. From crest to the trough of the same wave, the survivor estimates a distance of 4.0 m. How fast are the waves moving?
Q. A long, thin cloud that stretched from directly overhead to the western horizon would have an angular size of A) 45 degrees B) 90 degrees C) 180 degrees D 360 degrees