Awhistle you use to call your hunting dog has a frequency of 21 khz, but your dog is ignoring it. you suspect the whistle may not be working, but you can't hear sounds above 20 khz. to test it, you ask a friend to blow the whistle and hop on his moped. in which direction should he ride (toward or away from you) to know if the whistle is working? explain in words or with a diagram
Answers: 2
Physics, 21.06.2019 18:00, ninjapig647
Alivestock company reports that the mean weight of a group of young steers is 1100 pounds with a standard deviation of 93 pounds. based on the model n(1100,93) for the weights of steers, what percent of steers weigh a) over 1050 pounds? b) under 1300 pounds? c) between 1150 and 1250 pounds?
Answers: 1
Physics, 22.06.2019 08:00, cia196785920
If a balloon is taken outside on a very cold day, what will occur?
Answers: 1
Awhistle you use to call your hunting dog has a frequency of 21 khz, but your dog is ignoring it. yo...