A boat moves in a river with velocity 3î+4ĵ relative to ground. Water moves with velocity -3î-4ĵ relative to ground. The velocity of the boat relative to water is:
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A boat moves in a river with velocity 3î+4ĵ relative to ground. Water moves with velocity -3î-4ĵ relative to ground. The velocity of the boat relative to water is:
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