GCSE Physics – Kinetic energy

Last updated: 18/06/2020
AQA GCSE Science – Combined science higher Energy GCSE Physics – Kinetic energy

Learning Objectives

-I can describe how kinetic energy changes over time
-I can recall the units needed for Ek_k = ½ mv2^2
-I can rearrange Ek_k = ½ mv2^2
-I can use Ek_k = ½ mv2^2

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  1. Current
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  3. Answered

  1. Is energy created or destroyed?

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  2. What is kinetic energy?

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  3. How do we calculate kinetic energy?

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  4. Rearrange the kinetic energy formula to find speed.

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  5. Rearrange the kinetic energy formula to find mass.

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  6. What is kinetic energy measured in?

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  7. What is speed measured in?

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  8. What is mass measured in?

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  9. What can 1 joule be defined as?

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  10. What object has high kinetic energy?

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  11. What object has low kinetic energy?

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  12. What is the difference between speed and velocity?

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  13. If speed doubles, what happens to kinetic energy?

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  14. If speed halves, what happens to kinetic energy?

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  15. If mass doubles, what happens to kinetic energy?

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  16. If mass triples, what happens to kinetic energy?

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  17. If mass get 4x smaller, what happens to kinetic energy?

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  18. If kinetic energy of a 2 kg mass is 25 J, what is the speed?

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  19. If kinetic energy of a 1 kg mass is 100 J, what is the speed?

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  20. A 0.5 kg ball has 1 J of kinetic energy. What speed is it travelling at?

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  21. An object is travelling at 5 m/s and has 100 J of kinetic energy. What is the mass?

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  22. An object has 81 J of kinetic energy when travelling at 4 m/s. What is the mass?

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  23. What is the kinetic energy of a 2 kg mass travelling at 4 m/s?

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  24. What is the kinetic energy of a 4 kg mass travelling at 2 m/s?

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  25. A car is travelling at 25 m/s and is 1000 kg. What is the kinetic energy?

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