A) 2
B) 3
C) 1.8
D) none of these
Correct Answer: C
Solution :
[C]\[\tan \theta =\frac{{{F}_{e}}}{V\rho g}=\frac{{{F}_{e}}/k}{V(\rho -\sigma )g}\] |
\[\Rightarrow k=\frac{\rho }{\rho -\sigma }=\frac{2.4}{2.4=0.8}=1.5\] |
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