Mathematics, 19.06.2020 03:57, cutecupcake678
A ship leaves port at noon at a bearing of 143°. The ship’s average rate of speed over this time is 12 miles per hour. Describe the location of the ship at 4:30 p. m. by writing a vector in component form. Then explain what these components mean in terms of the scenario.
Answers: 3
![\vec r = -43.126\,i + 32.498\,j\,[mi]](/tpl/images/0689/6307/0d7e4.png)
.
is the time interval with respect to noon, which is measured in hours.
, 
and 
, the location of the ship at 4:30 pm is:![\vec r = \left[\left(12\,\frac{mi}{h} \right)\cdot (4.5\,h)\cdot \cos 143^{\circ} \right]\, i + \left[\left(12\,\frac{mi}{h} \right)\cdot (4.5\,h)\cdot \sin 143^{\circ} \right]\,j](/tpl/images/0689/6307/05bf6.png)
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A ship leaves port at noon at a bearing of 143°. The ship’s average rate of speed over this time is...
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