An automobile has a total mass of 2200 kg it accelerates, Ask an Expert

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An automobile has a total mass of 2200 kg. It accelerates from rest to 70 km/h in 40 s. Assume each wheel is a uniform 44 kg disk. Find the following values for the end of the 40 s interval.

a) the rotational kintetic energy of each wheel about its axle

______J

b) the total kinetic energy of each wheel

_______J

c) the total kinetic energy of the automobile

______J

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