sararawson9858 sararawson9858

05-09-2022
Physics

contestada

If the speed of light is 3x105 km/s and 1 km=0.62 miles, what is the speed of light in miles per hour?

Respuesta :

jsimpson11000 jsimpson11000

06-09-2022

Answer:

6.7 x 10^8 mi/hr

Explanation:

Do the math with units ONLY

km/s * miles/ km * s/hr = mi / hr ( ...as the km and s cancel out)

now.... put in the numbers

3 x 10^5 km/s * .62 mi/km * 3600 s / hr = 6.7x 10 ^8 mi/hr

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