A) \[l/2\]
B) \[l\,/3\]
C) \[l\,\text{/}\sqrt{\text{2}}\]
D) \[3\,l\,/4\]
Correct Answer: C
Solution :
\[M=T\cos \,{{({{l}^{2}}-{{h}^{2}})}^{1/2}}.h=Th\,{{({{l}^{2}}-{{h}^{2}})}^{1/2}}\] \[dM/dh\text{ }=\text{ }0\text{ }gives\text{ }h\text{ }=\text{ }l/V2\]You need to login to perform this action.
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