Physics
Physics, 09.10.2019 21:00, athenawalcroff

Acar is traveling on a straight, level road under wintry conditions. seeing a patch of ice ahead of her, the driver of the car slams on her brakes and skids on dry pavement for 50 m , decelerating at 7.5 m/s2 . then she hits the icy patch and skids another 70 m before coming to rest.
a) if her initial speed was 78 mi/h , what was the magnitude of the deceleration on the ice?

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Acar is traveling on a straight, level road under wintry conditions. seeing a patch of ice ahead of...

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