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The siren on an ambulance is emitting a sound whose frequency is 2637 Hz. The speed of sound is 343 m/s.
(a) If the ambulance is stationary and you (the "observer") are sitting in a parked car, what are the wavelength and the frequency of the sound you hear?
(b) Suppose that the ambulance is moving toward you at a speed of 25.3 m/s. Determine the wavelength and the frequency of the sound you hear.
(c) If the ambulance is moving toward you at a speed of 25.3 m/s and you are moving toward it at a speed of 12.9 m/s, find the wavelength and frequency of the sound you hear.
Water enters a horizontal pipe with a rectangular cross section at a speed of 1 m/s. The width of the pipe remains constant but the height decreases. Thirty-eight meters from the entrance, the height is half of what it is at the entrance.
you are given a 5-loop standing wave. The velocity of the wave of the string is v= 10 m/s. What is the frequency of the wave on the string
The planet Neptune has a satellite, Proteus, which travels in an orbit 1.180*10^8 m with a period of 1.12 days. Calculate the mass of Neptune from this information
light of wavelength 600nm is incedent normally on a surface of area 4 cm^2. Determine the power output of the light source
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Sketch the shear force and bending moment diagram and Verify that the support reactions are correct.
A 33.2 m steel wire and a 25.6 m copper wire both with 1.00 mm diameters, are connected end to end and are stretched to a tension of 120 N. How long does it take the transverse wave to travel the entire length of the two wires.
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