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  • Jun 27, 2015, 09:52 PM
    jannine1297
    Kinematics
    On a 20 mile bike ride, you ride the first 10 miles at an average speed of 8 mi/hr. Determine your average speed for the next 10 miles so that your average speed for the entire 20 miles will be (a) 4 mi/hr (b) 10 mi/hr?
  • Jun 28, 2015, 04:06 PM
    ma0641
    What have you figured out? Distance =Speed x Time. How long did it take to ride the first 10 miles S=D/T, T=D/S

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