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Doc Brown's Hover Car

Pro Problems > Physics > Motion and Forces > Linear Motion > Speed and Velocity
 

Doc Brown's Hover Car

Doc Brown invents a hovercar that travels at 88 mph due north in still air. With the wind blowing out of the south-west quadrant at  10 mph, the hovercar now travels at 94.34 mph. If the wind speed doubled, and switched to the opposite direction, what would the hovercar’s new speed be? Give your anser to the nearest mph.

 

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Problem by Mr. Twitchell

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