physics
posted by Anonymous on .
a motorist travels at 80 km/hr for 3 hours and 2 more hours at 100 km/hr. what is the average speed for the whole trip?

figure the distance on each leg, then add.
average speed=totaldistance/totaltime
posted by Anonymous on .
a motorist travels at 80 km/hr for 3 hours and 2 more hours at 100 km/hr. what is the average speed for the whole trip?
figure the distance on each leg, then add.
average speed=totaldistance/totaltime