A) \[7.28\,N/cm\]
B) \[7.28\,dyne/cm\]
C) \[72.8\,dyne/cm\]
D) \[7.28\times {{10}^{2}}\,dyne/cm\]
Correct Answer: C
Solution :
[c] \[T=\frac{F}{2l}=\frac{728}{2\times 5}\] \[\therefore T=72.8dyne/cm\]You need to login to perform this action.
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