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  • one year ago

Spotting a police car, you hit the brakes on your new Porsche to reduce your speed from 90 mi/h to 60 mi/h at a constant rate over a distance of 200ft. a. Find the acceleration in ft/s2. b. How long does it take for you to reduce your speed to 55 mi/h? c. At the acceleration obtained in part (a), how long would it take for you to bring your Porsche to a complete stop from 90 mi/h?

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  1. blackstreet23
    • one year ago
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    Please help with this. I am lost :'(

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spraguer (Moderator)
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