At what speed must a 35 kg cheetah move in order to have the same momentum as a 25 kg gazelle running at 20 m/s?

1. A 1200 kg car accelerates from rest to 25 m/s in 6 seconds.
   1. What was the car's change in momentum?

1. What impulse was delivered to the car?

1. What was the net force on the car?

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