Doc Brown's Hover CarPro 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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I hopped in my car and drove east for two hours at 30 miles per hour. Then I drove north for 15 minutes and went 12 miles. Then I continued (at the same speed) west for 10 minutes. That was where I stopped. What was my displacement?
A car traveled sixty miles at one speed, and then traveled back over the same route at twice that speed. In all, the trip took 7.5 hours. How fast did the car go during the first part of the trip? Give your answer in miles per hour.
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