Multiple Choice
The variation in the pressure of helium gas, measured from its equilibrium value, is given by ΔP = 2.9 × 10−5 cos (6.20x − 3 000t) where x and t have units m and s. Determine the speed (in m/s) of the wave.
A) 1 515
B) 153
C) 484
D) 828
E) 101
Correct Answer:
Verified
Correct Answer:
Verified
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