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morpeh [17]
3 years ago
13

The amount of light lost within a fiber-optic system is known as

Physics
1 answer:
densk [106]3 years ago
6 0
Attenuation is the correct answer. 
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A planet orbits a star, in a year of length 2.27 x 107 s, in a nearly circular orbit of radius 3.99 x 1011 m. With respect to th
luda_lava [24]

Explanation:

It is given that,

Radius of circular orbit, r=3.99\times 10^{11}\ m

Time taken, t=2.27\times 10^{7}\ m      

(a) Angular speed of the planet is given by :

\omega=\dfrac{2\pi}{t}

\omega=\dfrac{2\pi}{2.27\times 10^{7}\ m}

\omega=2.76\times 10^{-7}\ rad/s

(b) The tangential speed of the planet is given by :

v=r\times \omega

v=3.99\times 10^{11}\times 2.76\times 10^{-7}

v = 110124 m/s

(c) The centripetal acceleration of the planet,

a=\dfrac{v^2}{r}

a=\dfrac{(110124)^2}{3.99\times 10^{11}}

a=0.0303\ m/s^2

Hence, this is the required solution.

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3 years ago
How many days does it take for the moon to orbit the earth
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Answer: 27 Days

Explanation:

8 0
3 years ago
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A stone is dropped from the top of a cliff which is 10-m high. What is its velocity when it hits the ground? Sketch the stones p
kodGreya [7K]

S = displacement

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Use the drawing below to answer the following question.
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Answer:

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How global warming causes sea turtles to lose the place for laying eggs?
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The ice melts which is where turtles lay eggs
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