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JEE Main Physics question

PhysicsMotion in a PlaneJEE Main

Two cars and are moving with the same speed of 45 kmh along the same direction. If a third car coming from the opposite direction with a speed of 36 kmh meets the two cars in an interval of 5 min, the distance of separation of the two cars and should be (in km)

Answer: (A)

Solution

Relative (closing) speed of with respect to or kmh. In the 5 min h between meeting then

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Question ID VK-151938