Physics
mike650
15

a car advertisement states that a certain car can accelerate from rest to 70km/h in 7 seconds. find the cars acceleration

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(1) Answers
jovenloco

a = (v2 - v1)/t= acceleration formula a = (70 - 0)/7 a = 10 km/hr/sec ----- It's better to use as few units as possible. 10 km/hr = 10 km*1000 m/km/(1 hr*3600 sec/hr) = 25/9 m/sec a= 25/9 m/sec/se

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