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Unit 3 Quiz
speed and acceleration
| Question | Answer |
|---|---|
| 14 km represents what? | distance |
| 30 m/s represents what? | speed |
| 34 min represents what? | time |
| 6 hours represents what? | time |
| 12 cm/s2 represents what? | acceleration |
| 150 mph represents what? | speed |
| 14 mi represents what? | distance |
| 3.2 sec represents what? | time |
| 25 ft represents what? | distance |
| 1/4 m represents what? | distance |
| 6 cm/min/sec represents what? | acceleration |
| 3 km/hr/sec represents what? | acceleration |
| 13. Goldie Goldfish, a speed swimmer, loves to race around the park’s pond, which is 0.5 miles around. If she can swim 20 laps around the track in 2 hours, what is her average speed? | 5 mi/h |
| 14. It takes Stu, a slimy slug, 20 minutes to travel from his favorite bush to the local trash can (a trip of 30 meters), how far can he travel in 1 hour (60 minutes)? | 1.5 m/min is speed, then 90 m is distance |
| 15. At exactly 2:00 pm, Speedy the Snail crawls onto a meter stick at the 10 cm mark. If he reaches the 65 cm mark at exactly 2:10 pm, what is his speed? | 5.5 cm/min or .055 m/min |
| 16. If it takes Leaping Louie 5 minutes to jump 3 blocks, how long will it take for him to jump 15 blocks? | .6 blocks/min for speed, then 25 min for time |
| 17. If Bert the Bat travels eastward at 40 mph with a tail wind of 6 mph, what is his actual speed? | Add the vectors. 40 mph E + 6 mph E = 46 mph E |
| 18. Toon Train is traveling at the speed of 10 m/s at the top of a hill. Five seconds later it reaches the bottom of the hill and is moving at 30 m/s. What is the rate of acceleration of Toon Train? | 4 m/s2 or 4 m/s/s |
| 19. Pete the Penguin loves to sled down his favorite hill. If he hits a speed of 50 m/s after 5 seconds, what is his rate of acceleration? Hint: He starts at 0 m/s at the top of the hill. | 10 m/s/s or 10 m/s2 |
| 20. Monster Mike’s truck decelerates from 72 m/s to 0 m/s in 6 seconds. What is his rate of deceleration? | -12 m/s/s or -12 m/s2 |
| 19. (Advanced Class) Pete the penguin loves to sled down his favorite hill. If he accelerates at a speed of 10 m/s2, what speed will he hit at the bottom of the hill if it takes him 5 seconds to get down the hill? | 50 m/s |
| 20. (Advanced Class) Monster Mike’s truck decelerates at a rate of -12 m/s2. If he was traveling at 72 m/s when he hit the brakes, what will be his speed after 5 seconds? | 12 m/s |
Created by:
tbrandt
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