Distance, Speed & Time( Week 12 Evaluation) 1. George took a 54-mile biking trip in 3 hours. What was his average speed in feet per minute? Note that 1 mile = 5280 feet. 2. Edward 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 0.5 mile behind the speeding car and he travels at 86 MPH. How many minutes will it take for the officer to catch up the speeding car? 4. Morgan 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. Anne and Nancy compete in a 2.7-mile bicycle trail. Anne bikes at 13.5 MPH, and Nancy bikes at 12.5 MPH. How far (in miles) is Nancy behind Anne when Anne reaches the finish line? 6. Curtis runs 4 meters every second. Helen runs 3.5 meters every second. Curtis let Helen start a race 20 meters ahead of him, and reached the finish line 8 seconds before Helen did. How many meters did Curtis 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 10 miles per hour faster than the slower car. At the end of 7 hours, they were 630 miles apart. How many miles had the faster car traveled by the end of 7 hours? 8. In an one-mile running race, Martha was able to run at 7 MPH for the 1st half, but was only able to run at 3 MPH for the remaining half. What was her average speed (in MPH) for the entire race? |