Class/Course - Class XI

Subject - Physics

Chapter - Motion in a Straight Line


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Q.1 A 2m wide truck is moving with a uniform speed v0 = 8 ms-1 along a straight horizontal road. A pedestrian starts to cross the road with a uniform speed v when the truck is 4m away from him. The minimum value of v so that can cross the road safely is
  2.62 ms-1
  4.6 ms-1
  3.57 ms-1
  1.414 ms-1