A) \[-6\hat{i}-8\hat{j}\]
B) \[6\hat{i}+8\hat{j}\]
C) \[8\hat{i}\]
D) \[6\hat{i}\]
Correct Answer: B
Solution :
The relative velocity of boat w.r.t. water \[={{v}_{boat}}-{{v}_{water}}\]\[=(3\ \hat{i}+4\ \hat{j})-(-3\ \hat{i}-4\ \hat{j})\]\[=6\ \hat{i}+8\ \hat{j}\]
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