The Magnitude Of $\overrightarrow { \mathrm { A } }$ Is 55 M, and This Vector Lies in the Second Quadrant

question 71

Multiple Choice

The magnitude of $\overrightarrow { \mathrm { A } }$ is 5.5 m, and this vector lies in the second quadrant and makes an angle of 34 ° with the +y-axis. The components of $\overrightarrow { \mathrm { A } }$ are closest to:

• A) \(A _ { x }\) = -3.1 m, \(A _ { y }\) = 4.6 m.
• B) \(A _ { x }\) = 3.1 m, \(A _ { y }\) = -4.6 m.
• C) \(A _ { x }\) = 4.6 m, \(A _ { y }\) = -3.1 m.
• D) \(A _ { x }\) = -4.6 m, \(A _ { y }\) = 3.1 m.
• E) \(A _ { x }\) = -4.6 m, \(A _ { y }\) = -3.1 m.

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Definitions:

Mnemonic

A tool or strategy used to improve memory, often by associating complex information with simple, memorable cues.

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A measure of the power per unit area of sound waves, typically described in terms of decibels.

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