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| Force= mass x acceleration |
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| Acceleration= change in speed/ time |
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| Kinetic energy= 1/2 x mass x velocity2 |
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| Potential energy= mass x gravity x height |
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| Efficiency= (useful output/input) x 100 |
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| Wave speed= Frequency x wavelength |
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| Energy= specific heat capacity x mass x change in temperature |
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| Resistance= potential difference/current |
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| Energy= current x voltage x time |
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Voltage in primary coil = Number of turns on primary coil
Voltage in secondary coil= Number of turns on secondary coil |
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