SOLUTION: a car travels at a speed of 40 km/h for 2 hours and then at 60 km/h for 3 hours.What is the average speed of the car during the entire journey?

Question 765599: a car travels at a speed of 40 km/h for 2 hours and then at 60 km/h for 3 hours.What is the average speed of the car during the entire journey?
Answer by lwsshak3(11628) (Show Source): You can put this solution on YOUR website!
a car travels at a speed of 40 km/h for 2 hours and then at 60 km/h for 3 hours.What is the average speed of the car during the entire journey?
***
speed=distance/travel time
distance=2*40+60*3=80+180=260 km
travel time=2+3=5 hrs
Average speed during entire journey=260/5=52 km/h
RELATED QUESTIONS
A car travels 40 kilometers at an average speed of 80 km/h and then travels 40 kilometers (answered by Alan3354)

: a car travels at a speed of 30 km/h for 30 minutes and then at a speed of 45 km/h .... (answered by josmiceli)

What is the average speed in km/h of a car that travels 160 km for 2... (answered by Alan3354)

A car travels 100 km. The highest speed of the car is 90 km/h, and the lowest speed is 30 (answered by Alan3354,ikleyn)

a car travels 100 km. The highest speed of the car is 90 km/h, and the lowest speeds is... (answered by ikleyn,MathTherapy)

A car travels at a constant speed of 60 km/h for hours, stops for half an hour and then (answered by lwsshak3)

A car travels 100 km at a speed of 60 km/h and returns with a speed of 40 km/h. Find the... (answered by robertb)

a car traveled at 50 km/h for 4 hours and at 60 km/h for 3 1/2 hours. what was the... (answered by ankor@dixie-net.com)

if a car accelerates and move at a constant speed of 40km/h and reaches 80 km in 3... (answered by Alan3354)