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18 Cards in this Set
- Front
- Back
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Write the formula that links kinetic energy speed and mass |
Ek =0.5mv2 |
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Write the formula that links gravitational potential energy gravitational field strength mass and hight. |
Ep =mgh |
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What is the unit of gravitational field strength |
N/Kg |
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Write the formula that links energy transferred power and time |
P=E/t |
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What is the unit of energy |
Joules |
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Write the formula that links work done power and time |
P=W/t |
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What is the unit of power |
Watt |
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What is the unit of work done |
Joule |
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Write the formula that links useful output energy transfer total input energy transfer and efficiency |
Efficiency= useful/output |
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Elastic potential energy can be calculated by the formula Ee=0.5ke2 K is the spring constant. What are it’s units |
N/m |
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What is the unit of force |
Newton |
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Specific heat capacity is calculated using the formula. /\E=mc/\0. What is the unit of specific heat capacity |
J/Kg°C |
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What term do we use for energy recourses that will run out |
Non renewable |
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All energy is eventually lost to the surroundings as what |
Heat |
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Heat is transferred through solids by what method |
Conduction |
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Heat is transferred through liquids and gases by what method |
Convection |
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Heat energy can be transferred through space by what method |
Radiation |
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Name 3 fossil fuels |
Coal Oil Gas |
