What is the kinetic energy in joules of a 1011 kg automobile traveling at 92 km/h?


automobile
Natasha P asked:


How much work would have to be done to bring a 1011 kg automobile traveling at 92 km/h to a stop?

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2 Responses to “What is the kinetic energy in joules of a 1011 kg automobile traveling at 92 km/h?”

  1. miranda Says:

    work=force X distance
    work=1011 kg X 92 hm/h
    work=93012 joules miranda

  2. hill Says:

    k = (1/2)*m*v² ; m(kg) v(meter/sec)

    92km/h =25.5556 (m/s)

    k = (1/2)*1011*(25.5556)² = 330136.3335(J) hill

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