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andrew11 [14]
3 years ago
14

1. Force of impact is the force ________________.

Physics
1 answer:
siniylev [52]3 years ago
6 0
Force of impact is the force generated when objects meet.
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When distances were carefully measured from the Earth to globular clusters above and below the Milky Way plane (where our view o
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A) Spherically symmetric about a point in the constellation Sagittarius and concentrated in that direction

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b.) Length

Explanation:

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Earth's neighboring galaxy, the Andromeda Galaxy, is a distance of 2.54×107 light-years from Earth. If the lifetime of a human i
Varvara68 [4.7K]

Answer:

0.0018833\ \text{m/s}

Explanation:

d = Distance of Andromeda Galaxy from Earth = 2.54\times 10^7\ \text{ly}

t = Time taken = 90\ \text{years}

c = Speed of light = 3\times 10^8\ \text{m/s}

We have the relation

t=t_o\sqrt{1-\dfrac{v^2}{c^2}}\\\Rightarrow 90=2.54\times 10^7\sqrt{1-\dfrac{v^2}{c^2}}\\\Rightarrow \dfrac{90^2}{(2.54\times 10^7)^2}=1-\dfrac{v^2}{c^2}\\\Rightarrow 1-\dfrac{90^2}{(2.54\times 10^7)^2}=\dfrac{v^2}{c^2}\\\Rightarrow v=c\sqrt{1-\dfrac{90^2}{(2.54\times 10^7)^2}}

c-v=c(1-\sqrt{1-\dfrac{90^2}{(2.54\times 10^7)^2}})\\\Rightarrow c-v=3\times 10^8(1-\sqrt{1-\dfrac{90^2}{(2.54\times 10^7)^2}})\\\Rightarrow c-v=0.0018833\ \text{m/s}

The required answer is 0.0018833\ \text{m/s}.

7 0
2 years ago
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