1.

A 2 m wide truck is moving with a uniform speed \[{{\text{v}}_{\text{0}}}\text{= 8 m/s}\] along a straight horizontal road. A pedestrain starts to cross the road with a uniform speed v when the truck is 4 m away from him. The minimum value of v so that he can cross the road safely is

A. 2.62 m/s        
B.        4.6 m/s
C. 3.57 m/s        
D.        1.414 m/s
Answer» D.        1.414 m/s


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