What is the speed of light In MPH

Question

Please

Answer 1

about 670,616,629.4 miles per hour  

Answer 2

The speed of light is about 670,616,629.4 miles per hour .

Answer 3

With unnecessary accuracy:

670616629.38439513242662848962062

The main point is that the metre is defined as being that is crossed 299792458 times by light in a vacuum. And the inch is defined as being exactly 2.54 cm.

Answer 4

It is 670,616,629.38 Mph.

Answer 5

Well, let's figure it out:

Speed of light = 2.997925 x 10^8 m / sec. in a vacuum:

so,

(2.997925 x 10^8 m / sec.) x (60 sec. / min.) x (60 min. / hour) x (39.37 " / m) x (1ft. / 12") x (1 mile / 5280 ft.) = 670.615 x 10^6 miles / hour.

Or, approximately 670.6 million miles / hour.

Answer 6

670,616,629.4 MPH

Answer 7

The speed of light = 670 616 629 mph