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scZoUnD [109]
3 years ago
14

What is the ultimate energy for all life on earth

Physics
1 answer:
professor190 [17]3 years ago
7 0
The sun. Is the answer
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Tomtit [17]

Answer:

P=42.075W

Explanation:

The power provided by a resistor (wire in this case) is given by:

P=\frac{V^2}{R}.

The resistance of a wire is given by:

R=\frac{\rho L}{A}

Where for the resistivity the one of the copper should be used: \rho=1.68\times10^{-8}\Omega m.

The area A is that of a circle, which written in terms of its diameter is:

A=\pi r^2=\pi (d/2)^2=\frac{\pi d^2}{4}

Putting all together:

P=\frac{AV^2}{\rho L}=\frac{\pi d^2V^2}{4\rho L}

Which for our values is:

P=\frac{\pi (0.00025m)^2(12V)^2}{4(1.68\times10^{-8}\Omega m)(10m)}=42.075W

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3 years ago
Which statement accurately describes impulse?<br> State corrrect answer from the choices
zhuklara [117]

Answer:

5354..

Explanation:

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2 years ago
What is this ???????????
babymother [125]
A, something to remember is that if the numbers are even the answer too will be even. Every time hope this helps :>
8 0
3 years ago
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How many meters are in 45 centimeters?
adell [148]

Explanation:

100 CM = 1 m

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ANSWER IS NOT FALSE IT IS True

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