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15 September, 08:03

You drive a race car around a circular track of radius 300 m at a constant spe 108 km/h. Your acceleration will be: A) 39.9 m/s B) 9.8 m/s C) 3.0 m/s D) 0.36 m/s

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  1. 15 September, 11:05
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    C

    Explanation:

    Centripetal acceleration is:

    a = v² / r

    First, convert km/h to m/s:

    108 km/h * (1000 m / km) * (1 h / 3600 s) = 30 m/s

    Therefore, the acceleration is:

    a = (30 m/s) ² / 300 m

    a = 3 m/s²
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