To navigate, a porpoise emits a sound wave that has a wavelength of 1.2 cm. The speed at which the wave travels in seawater is 1522  m/s. Find the period of the wave.

There was an accident and NASA engineers are trying to sort out where two of their Mars Rovers, Tango and Foxtrot, have landed. The engineers know that landing site A is much hotter than landing site B. Unfortunately, the only working sensors on Tango and Foxtrot measure the speed of sound. If Tango measures the speed of sound at it's landing site as 240 m/s, while Foxtrot measures speed of sound as 258 m/s at it's landing site, where has each rover landed?

The speed of sound in a solid medium is given by v = √Elp where E is the value of Young's modulus for the solid and p is the density. A sound wave travels at 5.8 x 10³ m/s in a steel rod of length 1.02 m, diameter 2.0 cm and mass 7.0 kg. Use the data to determine the value of the Young's modulus for steel. Give your answer in giga-pascal (GPa, 109 Nm2). Answer: Choose...

A  progressive wave travelling in the x-direction is represented by the following equation:   y = A sin(Bt - Cx).   Given that parameters A, B and C are given in SI units calculate the velocity of the wave for A = 50 , B = 2156 and C = 26.    Give your answer in m/s.