Modern-Mass Energy Equivalence

Front

What is the principle of mass-energy equivalence?

Back

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Back

Front

How much energy is produced by converting 2.0 x 10^-5 kg of mass into energy?

Back

1.8 TJ (terajoules).

Front

What is the energy equivalent of 5.0 x 10^-3 kg of mass?

Back

4.5 x 10^14 J (joules).

Front

What happens to the missing mass when a uranium nucleus emits an alpha particle?

Back

The missing mass is converted into energy.

Front

What is the energy released by tauon decay in nano-joules if it is 17.749 GeV?

Back

2.84 nano-joules.

Front

Back

Energy and mass are equivalent, scaled by the square of the speed of light.

Front

Define 'mass-energy equivalence'.

Back

Mass-energy equivalence is the concept that mass can be converted into energy and energy can be converted into mass.

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Back

The speed of light (c) is approximately 3.00 x 10^8 m/s.

Front

What is a terajoule (TJ)?

Back

A terajoule (TJ) is a unit of energy equal to 10^12 joules.