3. a) The speed of sound, c in an ideal gas is known to be a function of pressure, P and gas dentsity, p. Deduce the dim

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3 A The Speed Of Sound C In An Ideal Gas Is Known To Be A Function Of Pressure P And Gas Dentsity P Deduce The Dim 1 (83.62 KiB) Viewed 13 times

3. a) The speed of sound, c in an ideal gas is known to be a function of pressure, P and gas dentsity, p. Deduce the dimensional relationship between these parameters through the method of repeating variables with P and p as the repeating variables. [20 marks] b) The apparatus shown in Fig Q3(b) is used to gauge the viscosity of a fluid by dropping a spherical object in it and measuring the terminal velocity of the object in that fluid. A glass ball (p= 2500 kg/m³) is dropped into a fluid with density of 875 kg/m³ and dynamic viscosity of 0.061 kg/m.s. The terminal velocity of the glass ball is measured to be 1.3 m/s. Calculate the diameter of the glass ball. The wall effects are negligible. [10 marks] Meter Scale ap Fig. Q3(b) Sphere Liquid Container Sphere Retrieving Device