If you double the wavelength of a wave on a string, what happens to the wave speed and the wave frequency ? group of answer choices a) v is unchanged and f is halved. b) v is doubled and f is doubled. c) v is doubled and f is unchanged. d) v is unchanged and f is doubled. e) v is halved and f is unchanged.

Asimply means that over time there was some sort of change.

Ms. hidalgo opens the door to her classroom. her classroom is 60 degrees and the air outside is 80. predict what will happen using your knowledge of how heat flows.

Agroup of monkeys is trying to cross the river in a rowboat. the maximum buoyant force on the rowboat is 2,000 n. the weight of the rowboat is 1,000 n. each monkey has a weight of 150 n. how many monkeys can safely cross in the rowboat at one time? explain your reasoning, including any calculations you used to find the answer.