A) \[4\times {{10}^{4}}\sec \]
B) \[{{10}^{4}}\sec \]
C) \[{{10}^{3}}\sec \]
D) \[4\times {{10}^{3}}\sec \]
Correct Answer: B
Solution :
\[\text{Time=}\frac{\text{Distance}}{\text{Speed}}=\frac{2\times {{10}^{3}}m}{0.2\,m{{s}^{-1}}}={{10}^{4}}\sec \]You need to login to perform this action.
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