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ElenaW [278]
3 years ago
14

Describe how personal fitness contributes to physical,mental/emotional,social health

Physics
1 answer:
Semenov [28]3 years ago
3 0
When you work out it helps clear your thoughts and think of nothing. It makes you feel good.
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Grade 11 question paper or memo for 2015
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What your saying doesn't make sense.
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On the planet Xenophous a 1.00 m long pendulum on a clock has a period of 1.32 s. What is the free fall acceleration on Xenophou
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The period of the pendulum is given by the following equation

T = 2π * sqrt (L/g)

Where g is the gravity (free fall acceleration)

L is the longitude of the pendulum

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The radius of a conducting wire is doubled .What will be the ratio of its new specific resistance to the old one?
sladkih [1.3K]
The equation for the resistance R is: R=ρ*(l/A), where, ρ is electrical resistivity, l is the length of the conductor, and A is the surface area.

The initial surface area is:

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A₁=(2*r)²π=4*r²π=4*A

Initial resistance is: R=ρ*(l/A).

When we double the radius, resistance is: R₁=ρ*{ l / (4*A) }

The ratio of the new resistance to the old one:

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R₁/R=(1/1)/(1/4)=4/1 
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