The distance between two particles moving towards each other is decreasing at the rate of 6𝑚/𝑠𝑒𝑐. If these particles travel with same speeds and in the same direction, then the separation increase at the rate of 4𝑚/𝑠𝑒𝑐. The particles have speeds as

Question : The distance between two particles moving towards each other is decreasing at the rate of 6𝑚/𝑠𝑒𝑐. If these particles travel with same speeds and in the same direction, then the separation increase at the rate of 4𝑚/𝑠𝑒𝑐. The particles have speeds as

(A) 5𝑚/𝑠𝑒𝑐 : 1𝑚/𝑠𝑒𝑐

(B) 4 𝑚/𝑠𝑒𝑐 : 1𝑚/𝑠𝑒𝑐

(C) 4 𝑚/𝑠𝑒𝑐 : 2𝑚/𝑠𝑒𝑐

(D) 5 𝑚/𝑠𝑒𝑐 : 2𝑚/𝑠𝑒c

Answer : option (A)

Solution :

The distance between two particles moving towards each other is decreasing at the rate of 6𝑚/𝑠𝑒𝑐. If these particles travel with same speeds and in the same direction, then the separation increase at the rate of 4𝑚/𝑠𝑒𝑐. The particles have speeds as
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