Uniform Circular Motion: a Ball Is Tied to the End

question 38

Multiple Choice

Uniform circular motion: A ball is tied to the end of a cable of negligible mass. The ball is spun in a circle with a radius 2.00 m making 7.00 revolutions every 10.0 seconds. What is the magnitude of the acceleration of the ball?

• A) 67.9 m/s²
• B) 38.7 m/s²
• C) 29.3 m/s²
• D) 14.8 m/s²
• E) 74.2 m/s²

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