When a body moves at a speed comparable to the speed of light, do the dimensions of the body change?

This question was first answered by Albert Einstein. The speed of light is a constant value, equal to approximately 300,000 km / s. Therefore, for this question there is a formula E = MC2. Where E is the expended energy of the body, M is the mass of the body, C is the speed of light. A body needs an infinite amount of energy to gain the speed of light. And the greater the speed, the greater the mass of the body (Newton’s first law). Accordingly, the conclusions: if the body picks up the speed of light, then according to the formula it will release infinitely much energy and the body’s mass will become infinite. Why can light move at the speed of light? The photons of light have no mass, that is, there is no need to expend energy for infinite acceleration. Imagine if the photons of light had any mass, then the light would destroy everything in its path.



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