Automobile experts will often times refer to a car\'s \"0 to 60 times\", the tim

Question

Automobile experts will often times refer to a car's "0 to 60 times", the time it takes for a car to go from rest to 60 miles/hour, when talking about how powerful its engine is. For example, the 2002 Dodge viper Hennessey Venom's "0 to 60 times" is about 2.2 seconds. What is the acceleration of this car in m/s^2? Next, compare the car's acceleration to that of gravity? Write your answer as a percentage compared to Earth's g. If you had a cat able to accelerate at 1 g, what would its "0-to 60 time" be?

Explanation / Answer

final velocity reached in 2.2 s= 60 miles/hr= 60 x 1.609= 96.54 km/hr= 96.54 x 5/18= 26.81 m/s

If a= acceleration

vf=0 + at

so, 26.81 = a x2.2

so, a= 12.18 m/s^2

this is a % of 12.18/9.8 x 100 %= 124.38% of g

so, 96540 = 1/2 x a x 2.2^2

so, a= 39892.56 m/s^2

this is a % of g= 39892.56

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