It Takes a Runner 10 Seconds to Run the Curve

question 74

Multiple Choice

It takes a runner 10 seconds to run the curve (100 meter arc length,semicircle) in a race.The centripetal acceleration acting on her is

• A)1.00 m/s².
• B)1.57 m/s².
• C)1.92 m/s².
• D)3.14 m/s².
• E)3.59 m/s².

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