Suppose you drive for 60 miles at 60 miles per hour, then for 60 miles at 30 miles per hour. In miles per hour, what is your average velocity?
A)45
B)40
C)36
D)42
E)52
F)55
G)50
H)48

Question

Quizplus · Accepted Answer

The average velocity is the total distance divided by the total time. The total distance is 120 miles. The time for the first 60 miles is 1 hour, and for the second 60 miles is 2 hours, making the total time 3 hours. Thus, the average velocity is 120 miles / 3 hours = 40 miles per hour.

Suppose You Drive for 60 Miles at 60 Miles Per