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March 24, 2017

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A car travels at an average speed of 83.2 km/h for 1.00 h and then at an average speed of 42.4 km/h during a second hour. What is the car's average speed during the 2.00 h interval?


A car travels 0.98 km at an average speed of 83.2 km/h and then 0.99 km at an average speed of 42.4 km/h. What is the car's average speed during the 1.97 km interval?

  • Physics - ,

    (0.98+0.99)\(.98\83.2+.99\42.4)
    (1.97)\(.0117788+.0233491)
    (1.97)\(0.0351279)
    (1.97\0.0351279)
    56.080779

  • Physics - ,

    car travels at 50 kilometres per hour for 24 mins

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