SOLUTION: You drive a car 5 h at 50 km/h, then 5 h at 69 km/h. What is your average velocity? Answer in units of km/h.

Algebra ->  Numeric Fractions Calculators, Lesson and Practice -> SOLUTION: You drive a car 5 h at 50 km/h, then 5 h at 69 km/h. What is your average velocity? Answer in units of km/h.      Log On


   

Question 1145037: You drive a car 5 h at 50 km/h, then 5 h at
69 km/h.
What is your average velocity?
Answer in units of km/h.
Answer by ikleyn(52754) About Me  (Show Source):
You can put this solution on YOUR website!
.

= %285%2A50+%2B+5%2A69%29%2F%285+%2B+5%29 = %2850%2B69%29%2F2 = 59.5 km/h.



It is that rare case when the average speed is the TRUE average of the two values.