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JEE Main Physics question

PhysicsMotion in a Straight LineJEE Main

A particle moving in a straight line covers half the distance with speed . The other half of the distance is covered in two equal time intervals with speed and respectively. The average speed of the particle during the motion is

Answer: (A)

Solution

Let total distance . Time for first half . For the second half, equal time each:

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Question ID VK-152717