A) \[{{10}^{4}}W\]
B) \[{{10}^{5}}W\]
C) \[\frac{{{10}^{4}}}{36\times 8}\,W\]
D) \[\frac{{{10}^{5}}}{36\times 8}\,W\]
Correct Answer: D
Solution :
[d] Power supplied \[=\frac{mgh}{t}\] Power used by crane \[=\frac{mgh}{t}\times \frac{100}{80}\] \[=\frac{1000\times 10\times 100}{3600}\times \frac{100}{80}=\frac{{{10}^{5}}}{36\times 8}W\]You need to login to perform this action.
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