By what factor would its kinetic energy decrease

Reference no: EM13280891

(a) How many joules of kinetic energy does a 763-kg automobile traveling at a typical highway speed of 64 mi/h have? J

(b) By what factor would its kinetic energy decrease if the car traveled half as fast? KE32.0 mi/h = KE64 mi/h

Reference no: EM13280891

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