SOLUTION: What constant force is needed in order to increase the speed of a car from 30 km/h to 60 km/h in a time of 6s if the mass of the car is 2400 kg?

Question 1182787: What constant force is needed in order to increase the speed of a car from 30 km/h to 60 km/h in a time of 6s if the mass of the car is 2400 kg?

Answer by ikleyn(52887) (Show Source): You can put this solution on YOUR website!
.


(1)  Convert the given speed values to meters per second,    and  .


(2)  Then compute acceleration  a =   in meters per square second.



(3)  After that, calculate the force  F = m*a  in newtons as the product of the mass and the acceleration.

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