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Vanyuwa [196]
3 years ago
10

What's the value of 57,281 joules in Btu

Physics
2 answers:
katrin [286]3 years ago
5 0
54.291912 

I hope this helps :)
vitfil [10]3 years ago
3 0
54.3 BTU is what I got

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When a potential difference of 154 V is applied to the plates of a parallel-plate capacitor, the plates carry a surface charge d
tester [92]

Answer:

4.7\mu m

Explanation:

We are given that

Potential difference=V=154 V

Surface charge density=\sigma=29nC/m^2=29\times 10^{-5} C/m^2

Using 1 nC/cm^2=10^{-5} C/m^2

We know that

C=\frac{\epsilon_0A}{d}=\frac{Q}{V}=\frac{\sigma A}{V}

d=\frac{\epsilon_0V}{\sigma}

Where

\epsilon_0=8.85\times 10^{-12}C^2/Nm^2

Using the formula

d=\frac{8.85\times 10^{-12}\times 154}{29\times 10^{-5}}

d=4.7\times 10^{-6} m=4.7\mu m

Using 1\mu m=10^{-6} m

Hence, the spacing between the plates=4.7\mu m

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3 years ago
What are the units for momentum?<br><br> Kg<br><br> Newtons<br><br> m/s<br><br> kg·m/s
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kg·m/s

Explanation:

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3 years ago
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Tammy is a forensic investigator examining a body at a crime scene. She notes that the body is stiff but still flexible. What do
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Find the expression for pressure exerted by fluid with proper description​
fredd [130]

Explanation:

The pressure exerted by a column of liquid of height h and density ρ is given by the hydrostatic pressure equation p = ρgh, where g is the gravitational acceleration

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A person carries a plank of wood 1.6 m long with one hand pushing down on it at one end with a force F1 and the other hand holdi
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\Rightarrow mg\times 0.8-F_2\times 0.43=0\\\\\Rightarrow F_2=\dfrac{13.7\times 9.8\times 0.8}{0.43}\\\\\Rightarrow F_2=249.78\ N

Net vertical force must be zero on the plank

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