Physics, 29.07.2019 02:00 andrewjammo
Assume that the porsche's maximum speed is 78.0 m/s and the police car's is 58.0 m/s. at the moment both cars reach their maximum speed, what frequency will the porsche driver hear if the frequency of the police car's siren is 440 hz? take the speed of sound in air to be 340 m/s.
Answers: 1
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What is the magnitude of the resultant vector round your answer to the nearest tenth
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An electric current is flowing through the cord below.what will happen to this current if a magnet is brought near the cord? a. the electric current will stop flowing. b. it will exert a force on the voltage. c. the resistance of the wire will decrease. d. it will exert a force on the electric current.
Answers: 2
Assume that the porsche's maximum speed is 78.0 m/s and the police car's is 58.0 m/s. at the moment...
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