A) \[2.62\,m{{s}^{-1}}\]
B) \[4.6\,m{{s}^{-1}}\]
C) \[0.89\,m{{s}^{-1}}\]
D) \[1.414\,m{{s}^{-1}}\]
Correct Answer: C
Solution :
Let the man start crossing the road at an angle \[\theta \] with the road side. For safe crossing, the condition is that the man must cross the road by the time, the truck describes the distance \[(4+2cot\theta )\]You need to login to perform this action.
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