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dexar [7]
3 years ago
11

The common value for the speed of light in a vacuum is:

Physics
1 answer:
OLEGan [10]3 years ago
5 0

The common value for “Speed of light in vacuum” is \bold{3 \times 10^{8}}  metre per second.

Answer: Option b

<u>Solution: </u>

Speed of light can be defined as the speed with which light waves propagate in different medium. In vacuum, speed of light is 186,282 miles per second or 299,792 km/s which is rounded off as 3 \times 10^{8} \mathrm{m} / \mathrm{s}.

“Speed of light in vacuum” is a universal constant and usually represented by ‘c’. Light waves travels at a speed of 3 \times 10^{8}  metre per second in vacuum.

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2 years ago
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Witch is true according to the law of conservation of energy?
Elanso [62]

Explanation:

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3 years ago
He discovered that the orbits of planets are ellipses.
bezimeni [28]

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Kepler

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Kepler discovered that the orbits of planets are ellipses.

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pickupchik [31]

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2 years ago
You push against a steamer trunk with a force of 800 n at an angle alpha with the horizontal . the trunk is on a flat floor and
galina1969 [7]
The formula for this problem that we will be using is:
F * cos α = m * g * μs where:F = 800m = 87g = 9.8
cos α = m*g*μs/F= 87*9.8*0.55/800= 0.59 So solving the alpha, find the arccos above.
α = arccos 0.59 = 54 ° is the largest value of alpha
6 0
3 years ago
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