Question #81251
The speed of sound v in a medium depends on its wavelength λ, the young modulus E, and the density ρ, of the medium. Use the method of dimensional analysis to derive a formula for the speed of sound in a medium
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A particle moves along the x axis according to the expression x=3t^2 - 2t where x is in m and t in s. (a)Find the displacement of the particle in the time interval t=0 to t=1 and t=1s to t=4s? (b) Calculate the average velocity for the time intervals in (a). (c) find the instantaneous velocity of the particles at t=3secs.