You are driving down the road at 34.2 meters per second when you suddenly see a fallen tree blocking the road 59.8 meters in front of you. You decelerate at a steady pace when you press the brake pedal. What acceleration is required for you to halt 8.7 meters in front of the tree?

Q: What is the proportional limit? O None of these answers O 37,540 psi O 30,000 psi

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