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10. A force of 24 N was required to accelerate an object at a rate of 4 m/s-. What was the object's mass?

11It look 2.3 seconds for a car's velocity to change from 20 m/s to 35 m/s. The mass of the car was 1370 kg. What force was required to cause the acceleration? (Hint: First calculate the acceleration.)​

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