R total displacement and direction for your trip

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  1. You travel at 25 miles per hour for 3.5 hours, traveling due north. Then you travel due East at 36.2 miles per hour for 0.75 hours. What is your total displacement and direction for your trip?
  2. At a track meet, a runner runs the 100.0 m dash in 12 s. What was the runner's average speed?
  3. A group of college students eager to get to Florida on a spring break drove the 630 mi trip with only minimum stops. They computed their average speed for the trip to be 55.3 mi/h. How many hours did the trip take?
  4. Joe Cool drives to see his girlfriend who attends another college. (a) The 130 km trip takes 2.0 h. What was the average speed for the trip? (show work) (b) The return trip over the same route takes 3.0 h because of heavy traffic. What is the average speed for the return trip? (show work) (c) What is the average speed for the entire trip?
  5. A race car traveling northward on a straight, level track at a constant speed of travels 750m in 20.0 s. The return trip over the same track is made in 25.0 s.
    (a) What is the average velocity of the car in m/s for the first leg of the run? (b) What is the average velocity for the total trip?

Reference no: EM13147530

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