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Today, 19:33

A car increases its speed from 20 km/s to 50 km / h in 10 seconds what its is acceleration?

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  1. Today, 21:12
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    0.8 m/s²

    Explanation:

    Convert km/h to m/s:

    20 km/h * (1000 m / km) * (1 h / 3600 s) = 5.56 m/s

    50 km/h * (1000 m / km) * (1 h / 3600 s) = 13.89 m/s

    Acceleration is change in velocity over change in time:

    a = Δv / Δt

    a = (13.89 m/s - 5.56 m/s) / 10 s

    a = 0.83 m/s²

    Rounded to one significant figure, the car accelerates at 0.8 m/s².
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