A sound wave with a frequency of 100Hz travels in water with a speed of 1,500 m/s and then travels in air with a speed of 340m/s. Approximately how many time larger is the wavelength in water than in air?

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Determine the change in width a, height b, thickness t when a plate is subjected to the uniform distributed load and is made of material having modulus of elasticity e=230 gpa and poisson's ratio ν=1/3. given : a=400 mm and b= 300 mm also the uniformly distributed load in downward y direction of plate is 2 mn/m and in the positive x direction is 3 mn/m and t=20 mm

Asystematic approach to problem solving is called a (an)