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A boat is sailing with a velocity \( (3 \hat{i}+4 \hat{j}) \) with respect
P to ground and water in river is flowing with a velocity \( (-3 \hat{\mathrm{i}}-4 \hat{\mathrm{j}}) \). Relative velocity of the boat with respect
W to water is:
(1) \( 8 \hat{\mathrm{j}} \)
(2) \( 5 \sqrt{2} \)
(3) \( 6 \hat{\mathrm{i}}+8 \hat{\mathrm{j}} \)
(4) \( -6 \hat{i}-8 \hat{j} \)
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