6. An orca emits a "ping" that locates a
seal 2 miles away. About how long should it take the sound to travel to the seal and the echo to be
received by the orca?
seal 2 miles away. About how long should it take the sound to travel to the seal and the echo to be
received by the orca?
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Answer:
Does air temperature affect the speed of sound? Kim Strong, a professor of physics at the University of Toronto says the answer is yes, in fact sound travels faster when the air is hotter. At 25 C, the speed of sound is 1,246 kilometres per hour.
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