A) m / 5
B) m / 300
C) 5 m
D) m / 18000
Correct Answer: B
Solution :
\[m=Zi\,t\] and \[i\,t\]= Area of given curve = Area of triangle + Area of rectangle Þ i t \[=\frac{1}{2}\times (2\times 60)\times 1+(6-2)\times 60\times 1=300\] \ \[Z=\frac{m}{i\,t}=\frac{m}{300}\]
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