You and the friend each drive 47.0 km. you travel at 87.0, Ask an Expert

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Q1. An automobile accelerates from rest at 1.60 m/s2 for 16.10 s. The speed is then held constant for 17.5s, after which there is an acceleration of -3.10m/s2 until the automobile stops. What is the total distance travelled?

Q2. You and the friend each drive 47.0 km. You travel at 87.0 km/h; your friend travels at 98 km/h. How long will your friend wait for you at the end of trip?

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