Physics, 15.05.2021 04:10 wcwheelsp26w7n
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Describe how the Doppler effect explains why an approaching fire engine's siren has a high pitch.
Describe what happens to the energy of a wave if the frequency decreases.
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Physics, 21.06.2019 22:30
A1200 kg car traveling north at 10 m/s is rear-ended by a 2000 kg truck traveling at 30 m/s. what is the total momentum before and after the collision?
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Explain vector addition, triangle method and parallelogram method
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10 points! will mark brainiest! in a heat engine if 1,000 j of heat enters the system and the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2,000 j 1: write the equation2: list out your known variables 3: plug the numbers into the equations 4: solve 5: write your solution statement that includes initial energy and final energy added you so much!
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Describe how the Doppler effect explains why an approaching fire engine's siren...
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