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Part A: In a liquid with a density of 1500 kg/m^3, longitudinal waves with a frequency of 360 Hz are found to have a wavelength of 7.70 m. Calculate the bulk modulus of the liquid.
B= ? Pa
Part B: A metal bar with a length of 1.60 m has a density of 6900 kg/m^3. Longitudinal sound waves travel from one end of the bar to the other in a time interval of 4.20×10^-4 s. What is Young's modulus for this metal?
Y= ? Pa
A chair of mass 13.0kg is sitting on the horizontal floor; the floor is not frictionless, Use Newton's laws to calculate the normal force that the floor exerts on the chair
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