Two particles having position vectors →r=(3→i+5j)m and →r2=(−5i+3j)m are moving with velocities →V1=(4^i−4^j)ms−1 and →V2=(a^i−3^j)ms−1 . If they collide after 2 seconds , the value of a is
A
-2
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B
-4
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C
-6
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D
-8
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Solution
The correct option is D -8 Let us consider the values as following: