The diagram shows the molecular structure of propane. What is the chemical formula for propane?
Propane
H H H
1
H-C-C-C-H
HHH
A. 3CHE
B. CzHs
C. CzH2
D. 3H2C3H3

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A2.00-m long piano wire with a mass per unit length of 12.0 g/m is under a tension of 8.00 kn. what is the frequency of the fundamental mode of vibration of this wire?

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