A) \[20\,\,m{{s}^{-1}}\]
B) \[40\,\,m{{s}^{-1}}\]
C) \[8\,\,m{{s}^{-1}}\]
D) \[5.5\,\,m{{s}^{-1}}\]
Correct Answer: B
Solution :
\[v=\frac{E}{B}=\frac{20}{0.5}=40m{{s}^{-1}}\]You need to login to perform this action.
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