A Car Travels in a Flat Circle of Radius R

question 28

Multiple Choice

A car travels in a flat circle of radius R. At a certain instant the velocity of the car is 24 m/s west, and the acceleration of the car has components of 2.4 m/s² east and 1.8 m/s² south. What is the radius of the circle?

• A) 0.24 km
• B) 0.19 km
• C) 0.32 km
• D) 0.14 km
• E) 0.27 km

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