Two cars A and B are approaching each other head on with speeds 20 m s and 10 m s respectively When their separation is X then A

Question

Two cars A and B are approaching each other head on with speeds 20 m s and 10 m s respectively When their separation is X then A and B start braking at 4 m s and 2m s respectively Minimum value of X to avoid collision is 1 60 m 2 75 m 3 80 m 615150 for 15 Se c

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