physics

posted by Tyler

A car travels at a constant speed around a circular track whose radius is 2.66 km. The car goes once around the track in 200 s. What is the magnitude of the centripetal acceleration of the car?

  1. Damon

    distance = 2 pi r = 2 pi*2660 meters

    speed v = 2 pi 2660/200 meters/s

    Ac = v^2/r

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