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TRUE of FALSE: The human body responds to stressors by activating the nervous

Physics

1 answer:

melamori03 [73]3 years ago

8 0

That is false I think sorry if its not correct

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The speed of Lilac is 0.422 times of the speed of light.

Explanation:

Given that,

Length of the spaceship Lilac at rest, $L_o=759\ m$

When Lilac passes Earth, observers there measure its length to be 688 m, L = 688 m

We need to find the speed of light is Lilac moving with respect to Earth. The formula of length contraction is given by :

$L=L_o\sqrt{1-\dfrac{v^2}{c^2}} \\\\\dfrac{v}{c}=\sqrt{1-(\dfrac{L}{L_o})^2} \\\\\dfrac{v}{c}=\sqrt{1-(\dfrac{688}{759})^2} \\\\\dfrac{v}{c}=0.422\\\\v=0.422c$

So, the speed of Lilac is 0.422 times of the speed of light.

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If A.B=A.C<br>does this imply that B must be equal to c ? <br>I need answer with example please

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Yes

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$Ex: \\Consider\ a=5, b=6.\\Hence\ if,\\a*b=a*c\\5*6=5*c\\Hence,\\30=5c\\Hence, c=\frac{30}{5}\\c=6\\As\ b\ also\ equals\ to\ 6,\\b=c$

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These applications DO NOT INVOLVE harmful ionizing energy:

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