A boat is moving with velocity of $3\hat i + 4\hat j$ in river and water is moving with a velocity of $ - 3\hat i - 4\hat j$ with respect to ground. Relative velocity of boat with respect to water is :
A boat is moving with velocity of $3\hat i + 4\hat j$ in river and water is moving with a velocity of $ - 3\hat i - 4\hat j$ with respect to ground. Relative velocity of boat with respect to water is :
$ - 6\hat i - 8\hat j$
$6\hat i + 8\hat j$
$8\hat i$
$6\hat i$
A boat is moving with velocity of $3\hat i + 4\hat j$ in river and water is moving with a velocity of $ - 3\hat i - 4\hat j$ with respect to ground. Relative velocity of boat with respect to water is :
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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