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Physics, 11.07.2019 11:30 tae8002001
An automobile is traveling on a long, straight highway at a steady 76.0 mi/h when the driver sees a wreck 180 m ahead. at that instant, she applies the brakes (ignore reaction time). between her and the wreck are two different surfaces. first there is 130 m of ice, where the deceleration is only 1.20 m/s2 . from then on, it is dry concrete, where the deceleration is a more normal 7.10 m/s2 .
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An automobile is traveling on a long, straight highway at a steady 76.0 mi/h when the driver sees a...
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