A) \[\frac{7}{8}\,kg\]
B) \[\frac{8}{7}\,kg\]
C) \[\frac{5}{7}\,kg\]
D) \[\frac{7}{5}\,kg\]
Correct Answer: B
Solution :
\[ms\Delta T=m{{L}_{f}}\] \[2\times 400\times 500=m\times 3.5\times {{10}^{5}}\]You need to login to perform this action.
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