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The speed of light in a vacuum is 186,000 miles per second. In water, the speed is about 25 percent less or about 139,500 miles per second.

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10y ago

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How my mph is the speed of light?

It is 670,616,629 mph.


Does light speed go up to 200mph?

The speed of light in mph (miles per hour) is 670,616,629 mph.


Is the speed of sound faster or slower than light?

Way slower. For reference, the speed of sound is about 767.3 mph and the speed of light is 671,000,000 mph.


Can a cheetah run the speed of light?

No, a cheetah's top speed is around 70 mph while light moves at about 300,000 mph.


What is the 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 ms-1 In mph, speed of light = 671224362.958 mph


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


What is the speed of light and sound in mph?

Speed of light (in vacuum)= approx 671,000,000 mph.Speed of sound (in air at sea level) = approx 760 mph.


Speed of light in mihr?

The speed of light in vacuum is approximately 186,282 miles per second.


What is the speed of light per hr?

670,616,629.4 mph


How fas does light travel in mph?

Light travels at about 670 million miles per hour.


Is it possible to travel at the speed of light in water?

No, it is not possible to travel at the speed of light in water. Light travels at a slower speed in water compared to its speed in a vacuum, which is about 299,792 kilometers per second. The speed of light in water is approximately 225,000 kilometers per second.


Which formula you use to calculate for the speed of light in water?

Speed of light in water = speed of light in vacuum/refractive index of water