SOLUTION: A car travels at 60 mph east for 20 min then at 30 mph east for 30 minutes. What is the average speed and average velocity?

Question 350212: A car travels at 60 mph east for 20 min then at 30 mph east for 30 minutes. What is the average speed and average velocity?
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Rate*Time=Distance
.
.
.
miles
miles
Total distance traveled= miles
Total time traveling=hr
Average speed:mph
.
.
Let positive x be East.
Let positive y be North.
Starting position:(,)
East displacement:(,)+(,)
Final position:(,)+(,)=(,)
Time:hr

Average velocity:=(,)

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