2.9 Uniform Motion Problems
Bill drove at a speed of 65 mph on an expressway for 2 hrs.
Then he drove for 1.5 hours at a speed of 45 mph on a
state highway.
What was his average speed?
total distance
total time
Two trains are 150 miles apart, heading toward each
other, but on separate parallel straight tracks.
They leave their respective stations at the same time.
Train A is traveling at 55 mph, Train B 65 mph
About how long after departing will the trains pass each
other?
About how far will each train travel before they pass?
Two airplanes leave an airport at the same time and travel
in opposite directions.
One averages 440 km/h. The other travels 560 km/h.
In how many hours will they be 2500 km apart?
A fully loaded produce truck travels to a market at 60 km/h.
The return trip is made at 80 km/h and takes 1.5 hour less
time.
Find the total travel time for the trip to and from the market.
rate
going
return
time
distance