A particle $(A)$ moves due north at $3\,km / h$ another particle $(B)$ due west at $4\,km / h$. The relative velocity of $A$ with respect to $B$ is $\left(\tan 37^{\circ}=3 / 4\right)$
A particle $(A)$ moves due north at $3\,km / h$ another particle $(B)$ due west at $4\,km / h$. The relative velocity of $A$ with respect to $B$ is $\left(\tan 37^{\circ}=3 / 4\right)$
- A
$5\,km / h , 37^{\circ}$ north of east
- B
$5\,km / h , 37^{\circ}$ east of north
- C
$5 \sqrt{2}\,km / h , 53^{\circ}$ east of north
- D
$5 \sqrt{2}\,km / h , 53^{\circ}$ north of east
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