A Model Airplane Is Flying North at 12

question 21

Multiple Choice

A model airplane is flying north at 12.5 m/s initially, and 25 seconds later is observed heading 30 degrees west of north at 25 m/s. What is the magnitude of the average acceleration during this time interval?

• A) 0.37 m/s²
• B) 0.50 m/s²
• C) 0.62 m/s²
• D) 0.87 m/s²

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