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  1. S

    physics car and power question?

    A car accelerates uniformly from rest to 21.5 m/s in 5.0 s along a level stretch of road. Ignoring friction, determine the average power required to accelerate the car if the weight of the car is the following.
  2. S

    mass of car question?

    It takes 180 kJ of work to accelerate a car from 21.5 m/s to 30.5 m/s. What is the car's mass?
  3. S

    physics car work question?

    A 1300-kg car is being driven up a 4.0° hill. The frictional force is directed opposite to the motion of the car and has a magnitude of f = 512 N. A force is applied to the car by the road and propels the car forward. In addition to these two forces, two other forces act on the car: its weight...
  4. S

    physics car question?

    A 1670-kg car is traveling with a speed of 15.0 m/s. What is the magnitude of the horizontal net force that is required to bring the car to a halt in a distance of 48.0 m?
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