Solve Applied Problems Involving Vectors
-A Power Boat in Still $10 ^ { \circ }$

question 251

Multiple Choice

Solve Applied Problems Involving Vectors
-A power boat in still water maintains a speed of 45 miles per hour. The boat heads directly across a river perpendicular to the current which has a speed of 8 miles per hour. Find the actual speed and direction of the boat.

• A) 46 miles per hour; \(10 ^ { \circ }\) off course
• B) 45 miles per hour; \(10 ^ { \circ }\) off course
• C) 22 miles per hour; \(21 ^ { \circ }\) off course
• D) 17 miles per hour; \(28 ^ { \circ }\) off course

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Definitions:

Late Blight

A serious disease of potatoes and tomatoes caused by the oomycete Phytophthora infestans, leading to significant crop loss.

Phytophthora

A genus of plant-damaging oomycetes, commonly referred to as water molds, responsible for a range of plant diseases.

Axopods

Long, thin extensions of certain protozoans, such as those in the phylum Actinopoda, used for feeding and movement.

Test

A shell.