Distance, Speed & Time( Week 12 Evaluation) 1. George took a 57-mile biking trip in 3 hours. What was his average speed in feet per minute? Note that 1 mile = 5280 feet. 2. Eric rode his bike to a baseball practice at 12 mph. On his way home, he only pedaled at 8 mph. What was his average speed (in mph) for the entire trip? 3. A police officer is chasing a speeding driver who is driving at 80 MPH. The officer is 2 miles behind the speeding car and he travels at 83 MPH. How many minutes will it take for the officer to catch up the speeding car? 4. Jennifer and her father rode a tandem bicycle in a trail. In the first half of the distance, she pedaled, her dad rest, and the tandem bicycle traveled at 6 MPH. In the second half of the distance, she rest, her dad pedaled, and the tandem bicycle traveled at 14 MPH. How much was the average speed (in MPH) for the entire distance? 5. Hillary and Laura compete in a 2-mile bicycle trail. Hillary bikes at 10 MPH, and Laura bikes at 9.5 MPH. How far (in miles) is Laura behind Hillary when Hillary reaches the finish line? 6. George runs 4 meters every second. Jessica runs 3.5 meters every second. George let Jessica start a race 30 meters ahead of him, and reached the finish line 9 seconds before Jessica did. How many meters did George run in the race? 7. Two cars started from the same place at the same time, but they headed in opposite directions. The faster car traveled 5 miles per hour faster than the slower car. At the end of 6 hours, they were 510 miles apart. How many miles had the faster car traveled by the end of 6 hours? 8. In an one-mile running race, Jessica was able to run at 9 MPH for the 1st half, but was only able to run at 1 MPH for the remaining half. What was her average speed (in MPH) for the entire race? |