Word Problem Review
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1. Julie runs 399m on a 400m track. Her total distance is 399m and her displacement is 1m. 2. The cat runs 17m into the street and is hit by a car. Its total distance is 17m and its displacement is 17m. 3. A man travels at a speed of 3.7m/s for 15 seconds, covering a distance of 55m.
Word Problem Review
- 2. Julie runs 399m on a 400 m track. What is her total distance travelled? What is her displacement? 1.
- 3. A cat runs 17 m into the street where a car runs over it. 2. What is the cat’s total distance travelled? What is its displacement?
- 4. A man travels 55 meters. This takes 15 seconds. What is his speed? 3.
- 5. Mrs. Lonnberg kicks a cat. Its speed increases from 2 m/s to 14 m/s. 4. This took 3 seconds. What was the cat’s acceleration?
- 6. 5. A car was travelling at 20 m/s when it strikes a tree and stops. This took 2 seconds. What is the car’s acceleration?
- 7. You punch someone. His face accelerates at 4 m/s2. The mass of his head is 12 kg. 6. With what force did you punch him?
- 8. 7. A black cat tackles another cat. The force of the impact is 42 N. If the cat’s acceleration is 5 m/s2, what is the cat’s mass?
- 9. 8. Snooki falls with a force of 220 N. If her mass is 80 kg, what is her acceleration?
- 10. 9. Which way does the system move and by how many Newtons?
- 11. 10. If the mass of the toy dinosaur is 3 g. What is the toy’s density?