A Girl Jogs Around a Horizontally Circle with a Constant

question 20

Multiple Choice

A girl jogs around a horizontally circle with a constant speed. She travels one fourth of a revolution, a distance of 25 m along the circumference of the circle, in 5.0 s. The magnitude of her acceleration is:

• A) 0.31 m/s²
• B) 1.3 m/s²
• C) 1.6 m/s²
• D) 3.9 m/s²
• E) 6.3 m/s²

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