Ask Question
14 January, 22:18

You plan a car trip for which you want to average 90 km/h. You cover the first half of the distance at an average speed of only 48 km/h. What must your average speed be in the second half of the trip to meet your goal?

+1
Answers (1)
  1. 14 January, 22:32
    0
    T1=S/V1T2=Ttot-T1 = (2S/Vtot) - S/V1V2=S/T2 = S / (2S/Vtot-S/V1) Simplify in V2 = V1Vtot / (2V1-Vtot) = 48 * 90 / 6 = 720 km/hr
Know the Answer?
Not Sure About the Answer?
Find an answer to your question 👍 “You plan a car trip for which you want to average 90 km/h. You cover the first half of the distance at an average speed of only 48 km/h. ...” in 📗 Physics if the answers seem to be not correct or there’s no answer. Try a smart search to find answers to similar questions.
Search for Other Answers