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physics

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A car traveling 59 km/h accelerates at the rate of 8 m/s2. How many seconds are required for the car to reach a speed of 90 km/h? ENTER NUMBERS ONLY (ONE DECIMAL PLACE). NO UNITS

  • physics - ,

    First convert 59 km/h and 90 km/s to m/s.

    59 km/h = 16.39 m/s
    90 km/h = 25.00 m/s

    Change in V = 8.61 m/s

    8 m/s^2*T = 8.61 m/s

    Solve for T, the time spent accelerating

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