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186,000 miles per second

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Q: What is the speed of light in miles per sec?
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How many miles does light move per sec?

Light travels at a speed of about 186,282 miles per second in a vacuum.


What is the definition of speed of light?

The definition of the speed of light in a vacuum is 300,000,000 meters/sec, or 186,000 miles/sec.


How fast is lightspeed?

The square of the speed of light is 89,880,000,000,000,000 meters2 per second2, or 34,700,000,000 miles2 per second2 "How fast" is meaningless, because the square of a speed isn't a speed any more.


How fast does light from from the sun TRAVEL?

The same speed as all electromagnetic waves. The speed of light. 186,000 miles per second. 300,000 km/sec.


What is the speed of light per hour?

Approx 3,00,000 km/sec and in hours=1,079,256,848,800 meters (670,615,200 miles) per hour.


What is the speed of light in miles per second?

Answer In vacuum, the speed of light is 186,282.397 miles per second. Answer The speed of light is not a constant. It is slowing down. zthere have been several experiments that prove that light is slowing down.186,282.4 miles per second.


How fast is the speed of light in mph?

1mile = 1.609 km Speed of light in kms-1 = 300000 kms-1 Speed of light in miles per sec = 300000/1.609 ms-1 = 186451.21 mps In mph, speed of light = 671224362.958 mph


Is the speed of light in a vacuum 300 thousand km per sec?

about 300,000 km per sec.


Do electromagnetic waves travel at the speed of light?

Yes, electromagnetic waves, including light, travel at the speed of light in a vacuum, which is approximately 299,792 kilometers per second (or about 186,282 miles per second).


How many miles does light travel in fifteen years?

Light can travel 5,869,713,600,000 miles in one year's time.


What is the correct representation that measures the speed of light?

The speed of light in a vacuum is approximately 299,792,458 meters per second.


What is the speed of light in AU per hour?

Oh boy ! (186,282 mi/sec) x (3,600 sec/hr) x (1 AU / 93,000,000 mi) = (186,282 x 3,600 / 93,000,000) (mi - sec - AU / sec - hr - mi) = 7.211 AU/hr (rounded) Now what are you going to do with that number ??