A) \[\frac{4}{3}t\]
B) t
C) \[\frac{t}{2}\]
D) \[\frac{2}{3}t\]
Correct Answer: B
Solution :
\[{{\theta }_{mix}}=\frac{{{m}_{1}}{{c}_{1}}{{\theta }_{1}}+{{m}_{2}}{{c}_{2}}{{\theta }_{2}}}{{{m}_{1}}{{c}_{1}}+{{m}_{2}}{{c}_{2}}}\]\[=\frac{m\,s\,(2t)+1.5\,(m\,s)\times \frac{t}{3}}{m\,s+1.5\,(m\,s)}=t\]
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