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Posted by on Sunday, June 6, 2010 at 11:37pm.

A 1300 kg sports car accelerates from rest to 90 km/h in 7.4 s. What is the average power delivered by the engine?

  • UncG - , Monday, October 8, 2012 at 11:08am

    P=W/t

    Must use standard units : N m s
    1400kg*9.8=13720N
    90km/h = 9000m/3600s = 2.5m/s

    13720N(2.5m/s)/7.4s

    4635.12J

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