A) kg s
B) \[kg\text{ }{{s}^{-\,1}}\]
C) \[kg\text{ m}{{s}^{-\,2}}\]
D) \[kg\text{ m}{{s}^{-\,1}}\]
Correct Answer: B
Solution :
As, damping force \[\operatorname{F}\propto v\,\,\Rightarrow \,\,\,F=bv\] Where, b is proportionality constant \[\therefore \,\,\,\,\,\,\,\,b=\frac{F}{v}\,\,\Rightarrow \,\,b=\frac{N}{m{{s}^{-\,1}}}\,\,=\,\,\frac{kg\,\,m{{s}^{-\,2}}}{m{{s}^{-\,1}}}\,\,=\,\,kg\,\,{{s}^{-\,1}}\]
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