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victus00 [196]
3 years ago
9

The speed of light is greater in a vacuum than in air or water. True or false

Physics
2 answers:
Dima020 [189]3 years ago
7 0
True !! Hope I helped you out a bit!
Scrat [10]3 years ago
6 0
True. 

In vacuum there is no loss of energy, which occurs in water and in air.
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Makovka662 [10]

Answer:

3.42N

Explanation:

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Use the equation: F = (GMm)/(r^2)

F = force of gravity

G = gravitational constant (6.7x10^-11)

M = mass1 (2.5x10^30kg)

m = mass2 (1kg)

r = radius (7000m)

Plug it in: F = ((6.7x10^-11)(2.5x10^30)(1)) / (7000^2)

F = (1.675x10^20) / (4.9x10^7)

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Answer:

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Explanation:

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