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12 July, 15:35

How fast would a car have to round 85 m - radius turn for its acceleration to be numerically equal to that of gravity?

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  1. 12 July, 18:04
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    A car would need to be moving with a velocity of 28.86 m/s for its acceleration to be numerically equal to the acceleration due to gravity.

    Explanation:

    Radial acceleration for an object in circular motion is given by

    α = v²/r

    α = g = 9.8 m/s²

    v = ?

    r = 85 m

    9.8 = v²/85

    v² = 9.8 * 85 = 833

    v = 28.86 m/s
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