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two cars A and B move on a road in the opposite direction. if velocity of car A is 80km/h and car B is 20km/h, then what will be the relative velocity of car A w.r.t car B

two cars A and B move on a road in the opposite direction. if velocity of car A is 80km/h and car B is 20km/h, then what will be the relative velocity of car A w.r.t car B

Grade:12th pass

1 Answers

Arun
25750 Points
6 years ago
Because both the sleeds are in opposite directions
Hence let us assume one side is positive hence other will be negative
Let us assume 80km/hr is positive
Hence aleed of B will be - 20km/hr
Now relative velocity of A w.r.t. B = vel of A - vel of B
= 80 - (-20)
= 100 km/hr

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