+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.
Answers: 1
Physics, 23.06.2019 00:00
You notice the birds sitting on the electrical wires which of the following explain why the birds don't get shocked
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Physics, 23.06.2019 02:40
Check the following equation for dimensional homogeneity: ⅆ mv=∫t1t2(fcosθ)ⅆt where m is mass, v is velocity, f is force, θ is an angle, and t is time. check that each term in the equation has the following dimensions: [malbec] where you are to choose the coefficients a, b, c.
Answers: 2
Physics, 23.06.2019 06:30
Aipal measures a circuit at 1.2 a and 24 . using ohm’s law, what can he calculate for the circuit?
Answers: 1
+30p While a police car moves at a speed of 30m / s, the driver hears at a single-note frequency of...
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