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andreyandreev [35.5K]

3 years ago

15

what is an example of a environmental issue and how was it impacted by humans. please explain in detail where this issue is occu

rring and how humans are impacting the issue.

1 answer:

Burka [1]3 years ago

8 0

An example of an environmental issue is the acid rain in Germany. The acid rain is caused by pollution. Pollution that was caused by car putting harmful gases into the air is the main reason that there is acid rain in Germany. This is a problem because the acid rain is destroying Germany’s forests. Hope this helped!

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Rudiy27

Answer:

Explanation:

Given

mass of spring $m=100\ gm$

extension in spring $x=5\ cm$

downward velocity $v=70\ cm/s$

Position in undamped free vibration is given by

$u(t)=A\cos \omega _0t+B\sin \omega _0t$

where $\omega _0^2=\frac{k}{m}$

also $\frac{k}{m}=\frac{g}{L}$

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it is given

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$u'(0)=70\ cm/s$

substituting values we get

$A=0$

$u(t)=B\sin (14t)$

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$70=14B$

$B=\frac{10}{2}$

$B=5$

$u(t)=5\sin (14t)$

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