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Grade 12 · Science

Grade 12 Motion & energy worksheet

20 questions on motion & energy. The answer key is a separate download.

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What is on the worksheet

  1. A 50 kg object has speed 13 m/s. Find its classical kinetic energy in J.

  2. A 42 kg object has speed 7 m/s. Find its classical kinetic energy in J.

  3. A spring has constant 360 N/m and extension 8 cm within its linear range. Find the restoring-force magnitude in N.

  4. A 11 kg sample has specific heat 800 J/(kg·°C). Its temperature rises 10°C with no phase change. Find the energy gained in J.

  5. A mass of 9 kg has velocity 30 m/s. Find its signed momentum in kg·m/s.

  6. A 7 kg sample has specific heat 200 J/(kg·°C). Its temperature rises 13°C with no phase change. Find the energy gained in J.

  7. A mass of 13 kg has velocity 20 m/s. Find its signed momentum in kg·m/s.

  8. A mass of 43 kg has velocity 28 m/s. Find its signed momentum in kg·m/s.

  9. A spring has constant 80 N/m and extension 10 cm within its linear range. Find the restoring-force magnitude in N.

  10. A spring has constant 120 N/m and extension 19 cm within its linear range. Find the restoring-force magnitude in N.

  11. A spring has constant 220 N/m and extension 13 cm within its linear range. Find the restoring-force magnitude in N.

  12. A perpendicular force of 360 N acts over 15 m². Find the pressure in Pa.

  13. A 10 kg sample has specific heat 800 J/(kg·°C). Its temperature rises 10°C with no phase change. Find the energy gained in J.

  14. A 9 kg sample has specific heat 400 J/(kg·°C). Its temperature rises 23°C with no phase change. Find the energy gained in J.

  15. A spring has constant 220 N/m and extension 19 cm within its linear range. Find the restoring-force magnitude in N.

  16. A spring has constant 270 N/m and extension 6 cm within its linear range. Find the restoring-force magnitude in N.

  17. A 24 kg object has speed 4 m/s. Find its classical kinetic energy in J.

  18. A perpendicular force of 1269 N acts over 9 m². Find the pressure in Pa.

  19. A spring has constant 360 N/m and extension 18 cm within its linear range. Find the restoring-force magnitude in N.

  20. A 2 kg object has speed 18 m/s. Find its classical kinetic energy in J.

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