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| Question | Answer |
| What is the equation for Kinetic energy? What unit is energy measured in? | K.E = 1/2 x mass x speed^2 joules (J) |
| What is the equation for GPE? What does GPE stand for? | mass x gravitational field strength X height GPE = mgh GPE is gravitational potential energy |
| What are the two equations for power? | power = work done / time taken P = W/t power = Energy transferred / time taken P= E/t |
| What is efficiency in terms of power? | Useful power output / total power input |
| What is efficiency in terms of energy transfer? | useful energy output / total energy input |
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