A boat is moving with velocity 3^i+4^j in river and water is moving with a velocity of −3^i−4^j with respect to ground. Relative velocity of boat with respect to water is
A
8^i+6^j
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B
8^i−6^j
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C
6^i+8^j
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D
6^i−8^j
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Solution
The correct option is C6^i+8^j Relative velocity of boat with respect to water is Vboat−Vwater=(3^i+4^j)−(−3^i−4^j)=6^i+8^j