Distance, Speed & Time( Week 12 Evaluation) 1. Curtis took a 30-mile biking trip in 2 hours. What was his average speed in feet per minute? Note that 1 mile = 5280 feet. 2. Andy rode his bike to a baseball practice at 15 mph. On his way home, he only pedaled at 10 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 70 MPH. The officer is 1.5 miles behind the speeding car and he travels at 76 MPH. How many minutes will it take for the officer to catch up the speeding car? 4. Alice 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 7 MPH. In the second half of the distance, she rest, her dad pedaled, and the tandem bicycle traveled at 13 MPH. How much was the average speed (in MPH) for the entire distance? 5. Nancy and Susan compete in a 2.1-mile bicycle trail. Nancy bikes at 10.5 MPH, and Susan bikes at 9.25 MPH. How far (in miles) is Susan behind Nancy when Nancy reaches the finish line? 6. Steve runs 2 meters every second. Emily runs 1.5 meters every second. Steve let Emily start a race 20 meters ahead of him, and reached the finish line 5 seconds before Emily did. How many meters did Steve 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 2 hours, they were 170 miles apart. How many miles had the faster car traveled by the end of 2 hours? 8. In an one-mile running race, Niconia 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? |