A 2.0 x 10° kilogram car travels at a constant speed of 12 meters per second around a circular curve of radius 30 meters. 3. What is the magnitude of the centripetal acceleration of the car as it goes around the curve? (1) 0.40 m/s? (2) 4.8 m/s² (3) 800 m/s (4) 9600 m/s? Proof: Show calculations.

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