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Meaning of proper acceleration | Babel Free

Noun CEFR B2

Definitions

The acceleration felt by an object, as opposed to the coordinate acceleration. For example the acceleration of an object at the surface of the Earth is 9.81 m/s² upwards, but has no coordinate acceleration. The proper acceleration of an object is Lorentz invariant.

CEFR level

B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
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See also

proper adjective proper article proper class proper divisor proper fraction proper job

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