Physics, 21.08.2019 03:30 nyceastcoast
Ahigh speed train is traveling at a speed of 44.7 m/s when the engineer sounds the 415 hz warning horn. the speed of sound is 343 m/s. what is the wavelength of the sound, as perceived by the person standing at a crossing when the train is a) approaching and b) find the frequency when leaving the crossing?
Answers: 3
Physics, 22.06.2019 11:30, chelsilconway2262
This punnett square shows the cross between two pants. one parent has round seeds (rr). and the other parent has wrinkled seeds (rr) which best describes their offspring as shown in this cross?
Answers: 2
Physics, 22.06.2019 16:30, makaylahamrick
Which magnetic property best describes a magnet’s ability to act at a distance? magnets are dipolar. magnets attract only certain objects. magnets have magnetic fields. magnets can transfer their properties to certain materials.
Answers: 1
Ahigh speed train is traveling at a speed of 44.7 m/s when the engineer sounds the 415 hz warning ho...
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