Grade 8 Motion & graphs worksheet

What is on the worksheet

1. On an east-positive axis, position changes from -29 m to -66 m in 18 s. Find the signed average velocity. Round to 3 decimal places if needed. Answer in m/s.

2. A robot moves 32 m east and then 11 m west along a straight line. Find the total distance travelled. Round to 3 decimal places if needed. Answer in m.

3. Signed velocity changes from 18 m/s to 28 m/s in 9 s. Find the average acceleration. Round to 3 decimal places if needed. Answer in m/s².

4. Signed velocity changes from 10 m/s to 25 m/s in 5 s. Find the average acceleration. Round to 3 decimal places if needed. Answer in m/s².

5. On an east-positive axis, position changes from -66 m to -26 m in 13 s. Find the signed average velocity. Round to 3 decimal places if needed. Answer in m/s.

6. Signed velocity changes from 22 m/s to 10 m/s in 3 s. Find the average acceleration. Round to 3 decimal places if needed. Answer in m/s².

7. A rover travels 230 m in 17 s, then 103 m in 66 s. Find its average speed for both stages. Round to 3 decimal places if needed. Answer in m/s.

8. A rover travels 92 m in 35 s, then 225 m in 80 s. Find its average speed for both stages. Round to 3 decimal places if needed. Answer in m/s.

9. A robot moves 62 m east and then 58 m west along a straight line. Find the total distance travelled. Round to 3 decimal places if needed. Answer in m.

10. A robot moves 32 m east and then 13 m west along a straight line. Find the total distance travelled. Round to 3 decimal places if needed. Answer in m.

11. Signed velocity changes from 11 m/s to 19 m/s in 13 s. Find the average acceleration. Round to 3 decimal places if needed. Answer in m/s².

12. Signed velocity changes from 29 m/s to 31 m/s in 13 s. Find the average acceleration. Round to 3 decimal places if needed. Answer in m/s².

13. A robot moves 52 m east and then 49 m west along a straight line. Find the total distance travelled. Round to 3 decimal places if needed. Answer in m.

14. Signed velocity changes from 9 m/s to 12 m/s in 15 s. Find the average acceleration. Round to 3 decimal places if needed. Answer in m/s².

15. A straight position–time segment slopes downward. What is negative?

    1. Elapsed time
    2. Mass
    3. Velocity on the chosen axis

16. On an east-positive axis, position changes from -61 m to -58 m in 26 s. Find the signed average velocity. Round to 3 decimal places if needed. Answer in m/s.

17. A robot moves 67 m east and then 64 m west along a straight line. Find the total distance travelled. Round to 3 decimal places if needed. Answer in m.

18. A robot moves 118 m east and then 67 m west along a straight line. Find the total distance travelled. Round to 3 decimal places if needed. Answer in m.

19. A robot moves 30 m east and then 24 m west along a straight line. Find the total distance travelled. Round to 3 decimal places if needed. Answer in m.

20. A robot moves 62 m east and then 22 m west along a straight line. Find the total distance travelled. Round to 3 decimal places if needed. Answer in m.