Two Boats Leave the Port at the Same Time $\circ$

question 4

Multiple Choice

Two boats leave the port at the same time.Boat A has a velocity of m/s and boat B has a velocity of m/s as measured by someone standing at the port ( and are unit vectors along the x-axis and the y-axis respectively) .What is the position vector of boat B as seen by a person travelling on boat A after 60 seconds has elapsed? Give your answer as magnitude and direction.

• A)424.3 m and 88.26º
• B)424.3 m and 188.13º
• C)126.7 m and 188.13º
• D)126.7 m and 88.26º
• E)300.0 m and 36.87 \(\circ\)

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Definitions:

Labor Efficiency Variance

The difference between the actual hours worked and the standard hours expected to produce a certain level of output, multiplied by the standard labor rate.

Variable Overhead

Costs of production that fluctuate with changes in production volume, such as utilities or raw materials, not directly tied to labor or capital.

Indirect Labor

Wages paid to employees who are not directly involved in production but support the process, such as maintenance and supervisory staff.

Precision Drills

High-accuracy tools used for making holes in various materials with exact measurements.