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13 Cards in this Set
- Front
- Back
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The SI unit of mass is measured in ______________.
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kilograms
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The acceleration of any object falling toward Earth as a result of the gravitational force is ________ m/s^2
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9.81
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The SI unit for height is measured in _________.
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metres
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What is the formula for gravitational potential energy?
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Ep = mgh
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What is the formula for electric potential energy?
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Ee = qV
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What is the formula for the kinetic energy of a moving object?
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Ek = 1/2mv^2
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What is the formula for power?
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P = Ee/t
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An energy servant can do about _____ MJ of work in an eight-hour shift.
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2.9
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Energy lost due to conversion.
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Thermal exhaust or waste energy
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The total energy of the motion of all the particles of a substance
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Thermal energy
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A relative measure that compares the input energy and output energy of a conversion
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% efficiency
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One of the most common ways to reduce waste energy is to use _________.
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insulation
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A relatively new technology that involves modifying existing buildings and equipment using new parts.
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retrofitting
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