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A child is twirling a 0.0165-kg ball on a string in a horizontal circle whose radius is 0.149 m. The ball travels once around the circle in 0.543 s. (a) Determine the centripetal force acting on the ball. (b) If the speed is doubled, by what factor does the centripetal force increase?

  • physics -


    centforce= m*v^2/r

    I am not certain why you are posting all these easy "plug and chug" problems tonight.

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