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Q. The car in the drawing is moving to the left at 35 m/s. The car's horn continuously emits a 2.20 ? 102 Hz sound. it shows the first two regions of compression of the emitted sound waves. The speed of sound is 343 m/s. How far does the car move in one period of the sound emitted from the horn?

Q. A car is traveling at 27 m/s when the driver spots a large pothole in the road a distance 44 m ahead. She immediately applies her brakes. If her acceleration is -9.7 m/s2, does she manage to stop before reaching the pothole?

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