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The velocity of a projectile at the intial point A is $$(2 \hat{i}+3\hat{j})$$ $$\frac{m}{s}$$.Its velocity (in $$\frac{m}{s}$$) at the point B is.
$$(2 \hat{i}+3\hat{j})$$
$$(- 2 \hat{i}-3\hat{j})$$
$$(-2 \hat{i}+3\hat{j})$$
$$(2 \hat{i}-3\hat{j})$$
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