Speed Of Longitudinal Waves Mathematics Assignment Help

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A ship mapping the depth of the ocean emits a sound of 50.5 kHz. The sound travels to the ocean floor and returns 0.550 s later. The speed of sound in sea water is about 1533 m/s (see table 12.1). How deep is the water at that location?

A geological Survey ship mapping the floor of the ocean sends sound pulses down from the surface and measures the time taken for the echo to return. How deep is the ocean at a point where the echo time (down and back) is 6.90 s? The temperature of the seawater is 25.0°C. Speed of the sound in seawater is 1533 m/s (see table 12.1) km

A piano “string” is steel wire with radius 0.500 mm and length 1.30 m. It is under 787 N of tension. The density of steel is 7860 kg/m3 (see table 9.1). The Young’s modulus of steel is 2.00 x 1011 Pa (see table 10.1).

Consider the wire to be a thin solid steel rod. What is the speed of longitudinal waves (i.e., sound) in the wire? (Longitudinal waves in the wire do contribute to the characteristic sound of the piano.) km/s

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