Use the Parallelogram Rule to Find the Magnitude of the Resultant

question 284

Multiple Choice

Use the parallelogram rule to find the magnitude of the resultant force for the two forces shown in the figure. Round to
one decimal place.
-A fishing boat leaves port on a bearing of $39 ^ { \circ }$ and travels $11.8 \mathrm { mi }$ . The boat then turns due east and travels $2.9 \mathrm { mi }$ . How far is the fishing boat from port, and what is its bearing from port?

• A) \(9.7 \mathrm { mi } ; 9.4 ^ { \circ }\)
• B) \(13.8 \mathrm { mi }\); \(9.4 ^ { \circ }\)
• C) \(13.8 \mathrm { mi } ; 48.4 ^ { \circ }\)
• D) \(10.2 \mathrm { mi } ; 48.4 ^ { \circ }\)

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