Motion+problems

__Motion Word Problems__ (Speed, Velocity and Acceleration) Read the following problems and solve. You need to show your work, label and circle your answers. Round to the nearest hundredth when necessary. 1. A train traveled 156 km in 3 minutes. What was the train’s average speed? 2. Elmer the Woodchuck drove his sports car 560 miles north to Sacramento. What was Elmer’s velocity if he completed this trip in 8 hours? 3. A roadrunner can run up to 100 meters in 5 seconds. What is the average speed for this roadrunner? 4. A clown was running on a treadmill at Jerry’s Gym. Within 20 minutes, the clown had completed an estimated 2.2 miles. What was the clown’s average speed on the treadmill? 5. A hawk, flying in a westerly direction, flew a distance of 264 km in 80 minutes. What was the hawk’s average velocity? 6. Bo and Luke Duke, driving the General Lee, traveled the 362 km north to Capital City in 4 hours. What was their average velocity? 7. It took Fred and Barney 9 hours to travel westward from Bedrock to Rock Vegas. The distance for this trip is 567.63 miles. What was Fred and Barney’s average velocity? 8. A good fastball thrown by a pitcher can travel 95 feet in about 0.72 seconds. What would the average speed of the ball be? 9. A rocket car was being tested on a large salt flat. When launched, the car traveled 5 km in 2.5 minutes. What was the average speed for this rocket car? 10. Migrating whales were traveling north along the California coastline. They are able to travel an estimated 2,000 km in 32 hours. What was the average velocity of these whales? 11. The Earth’s circumference at the equator is 40,070 km. If a satellite were able to travel this distance in 9 hours, what would its average speed be? 12. Mariana’s Trench is the deepest point in the ocean at 11.034 km below sea level. Assuming it would take a submarine 0.9 hours to reach that depth, what would the average speed of the submarine be? 13. If we send astronauts to Mars, it would take them about 3900 hours at a velocity of approximately 20,000 km/h to get there. What is the distance that the astronauts will travel to reach Mars? 14. Mr. Schmit had a 1982 Dodge Charger that could go from 0 mi/h to 60 mi/h in 4 minutes. How fast could Mr. Schmit’s car accelerate? 15. A cheetah can go from 20 km/h to 86 km/h in approximately 2.4 seconds. What is the acceleration of the cheetah? 16. A rock reaches a velocity of 980 m/s 10 seconds after being dropped from the top of a cliff. What is the rate of acceleration of the rock? 17. A rocket, launched from standstill, reaches a velocity of 15,000 km/h after a time of 1.5 hours. What is the acceleration of this rocket? 18. During a race, Speed Racer’s car broke down and came to a standstill 80 seconds after reaching a velocity of 201.7 mi/h. What was Speed Racer’s acceleration? 19. Scooby Doo accelerated at a rate of 63.2 m/s2 in 2 seconds. If his final velocity was 126.4 m/s, what was Scooby’s initial velocity? 20. Waldo had 15 minutes to get to work. If he had to travel 20 km to get there, what would Waldo’s average speed have to be so that he would get to work on time?

Source: Jason Schmit