+30p while a police car moves at a speed of 30m / s, the driver hears at a single-note frequency of 650hz. one of the police cars passes in front of someone waiting in the traffic light and gets closer to the other. calculate the wavelengths and frequencies of a) approaching, b) driving away sirens.
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Category: statistics | Author: Sagi Boris
+5 pts answered the table gives a few (x, y) pairs of a line in the coordinate plane. what is the x-intercept of the line?
+5. the recommended dosage of paracetamol for a child weighing 10-16 kg is 160 mg. a brand of medicine contains 0-20 mol of paracetamol in 1 dm of so
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