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Light travels at 186,000 miles per second, which means you have to travel faster than that to break the light barrier. This feat is technically "impossible", since the faster you move, the more mass you have and the more mass you have, the more energy is required to move you, and by the time you reach the speed of light, you will need to have infinite energy. This doesn't apply to light particles, since they have no mass.

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How fast do you have to fly to break the sound barrier?

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To break the sound barrier (Mach 1), you need to travel at a speed of approximately 767 miles per hour (1,234 kilometers per hour) at sea level. The exact speed can vary depending on factors such as air temperature and pressure.


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