A guitar string 0.650 m long has a tension of 61.0 N and a mass per unit length of 3.00 g/m

(a) What is the speed of waves on the string when it is plucked?
(b) What is the string's fundamental frequency of vibration when plucked?


(a) 143 m/s (b) 110 Hz

Physics & Space Science

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A race car starts from rest on a circular track of radius 400 m. Its speed increases at the constant rate of 0.500 m/s2 . At the point where the magnitudes of the radial and tangential accelerations are equal, determine (a) the speed of the race car, and (b) the elapsed time

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The variation in the pressure of helium gas, measured from its equilibrium value, is given by DP = 2.9 × 10^-5 cos (6.20x - 3 000t) where x and t have units m and s, and DP is measured in N/m2 . Determine the frequency (in Hz) of the wave

a. 1 500 b. 477 c. 1.01 d. 0.32 e. 239

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