Distance, Speed & Time( Week 12 Evaluation) 1. John took a 42.5-mile biking trip in 2.5 hours. What was his average speed in feet per minute? Note that 1 mile = 5280 feet. 2. Joe 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 85 MPH. The officer is 0.5 mile behind the speeding car and he travels at 89 MPH. How many minutes will it take for the officer to catch up the speeding car? 4. Jane 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 8 MPH. In the second half of the distance, she rest, her dad pedaled, and the tandem bicycle traveled at 12 MPH. How much was the average speed (in MPH) for the entire distance? 5. Jane and Jennifer compete in a 3-mile bicycle trail. Jane bikes at 15 MPH, and Jennifer bikes at 14.5 MPH. How far (in miles) is Jennifer behind Jane when Jane reaches the finish line? 6. Ben runs 3 meters every second. Hillary runs 2.5 meters every second. Ben let Hillary start a race 45 meters ahead of him, and reached the finish line 10 seconds before Hillary did. How many meters did Ben 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 15 miles per hour faster than the slower car. At the end of 4 hours, they were 460 miles apart. How many miles had the faster car traveled by the end of 4 hours? 8. In an one-mile running race, Laura 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? |