what is mass energy positive and negative
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Negative mass is generalized to refer to any region of space in which for some observers the mass density is measured to be negative.It is also a concept used to explain the nature of certain fields,including the gravitational field and a number of quantum field effects while the positive energy states that,assuming the dominant energy condition,the mass of an asymptotically flat spacetime is non-negative;furthemore,the mass is zero only for Minkowski spacetime
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Negative mass is a hypothetical concept of matter in theoretical physics, whose mass is of an opposite sign to the mass of normal matter, for example −2 kg. This concept is used in certain speculative theories, like construction of wormholes.
According to the theory of special relativity matter (as mass) and energy can be converted into each other. E = m c 2, where E is energy, m is mass, and c is the speed of light.
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