gr 11 physics

Steve traveled the first 2 hours of his journey at 40km/h and the last 3 hours of his journey at 80km/h. What is his average speed of travel for the entire journey?

  1. 👍 0
  2. 👎 0
  3. 👁 139
  1. 2 hours = 80 km
    3 hours = 240 km

    5 hours = 320 km

    320 / 5 = ______ km/h

  2. So then would i change 64km/h into meters/seconds

    1. 👍 0
    2. 👎 0
  3. Why is 2 hours equal to 80km

    1. 👍 0
    2. 👎 0
  4. 2 hours * 40 km/h = 80 km

    Does your problem ask you to change kh/h to m/s?

  5. Yes it does

    1. 👍 0
    2. 👎 0
  6. Oh sorry no it doesnt! Sorry

    1. 👍 0
    2. 👎 0

Respond to this Question

First Name

Your Response

Similar Questions

  1. math

    Steve is participating in a cross county bike race. Every 2 hours he travels between 42 and 54 miles. Four hours ago, Steve had traveled 56 miles from the start of the race. Which is a reasonable measure of Steve's distance from

    asked by Nat on February 26, 2018
  2. math

    A car traveled at 50km/h for 4 hours and at 60km/h for 3 1/2 hours. What was the average speed for the whole journey?

    asked by phoe on January 18, 2015
  3. Mathematics

    A motorist do does the first part of his journey at an average speed of 54km/h. Then he increases the speed to 60km/h for the rest of the journey. If he travels 225km in 4 hours, what is the distance traveled for the rest of his

    asked by Fatima on March 7, 2012
  4. math

    A motorist does the first part of the journey at an average speed of 54 km/h. He then increases his speed to 60 km/h for the rest of the journey. if he travels 225 km in 4 hours, what is the distance traveled for the first part of

    asked by Berry on January 13, 2015
  5. math

    A cyclist travels for 60km at x km/h and 180km at y km/h and takes 10 hours altogether for the journey. If the speed are interchange, the journey takes 8.6 (8 whole number 2 over 3) hours. Find x and y.

    asked by jane on November 16, 2015
  6. math

    A drivers distance varies directly as the amount of time traveled. After six hours, a driver had traveled 390 miles. How far had the driver traveled after 4 hours?

    asked by help on January 10, 2013
  7. Science

    Your journey to the centre of the earth took 64 hours at 100km/h. What was the total distance you traveled??

    asked by Kim on June 9, 2016
  8. math

    a truck driver traveled for 3 hours at an average speed of 65 miles per hours. how far did he travel in 8 hours?

    asked by darrius on January 17, 2013
  9. MATHEMATICS

    A train travels 60 km at a constant speed of 40km per hour for 1.5 hours. Explain why the total distance traveled does not affect the speed?

    asked by MATHS SBA on January 19, 2015
  10. Mathematics

    A train travels 60 km at a constant speed of 40km per hour for 1.5 hours. Explain why the total distance traveled does not affect the speed.

    asked by Andre1 on January 24, 2015

More Similar Questions