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katrin2010 [14]
3 years ago
14

What is the primary mechanical advantage of a screw?

Physics
2 answers:
9966 [12]3 years ago
5 0
What well u can use to make a shelter but that's all I can think of ??
Anvisha [2.4K]3 years ago
3 0
A screw<span> is a mechanism that converts rotational motion to linear motion, and a torque (rotational force) to a linear force. It is one of the six classical simple machines. ... The smaller the pitch, the distance between the </span>screw's<span> threads, the greater the</span>mechanical advantage<span>, the ratio of output to input force.</span><span />
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The blackbody radation emmitted from a furnace peaks at a wavelength of 1.9 x 10^-6 m (0.0000019 m). what is the temperature ins
krek1111 [17]

Answer:

Temperature, T = 1542.10 K

Explanation:

It is given that,

The black body radiation emitted from a furnace peaks at a wavelength of, \lambda=1.9\times 10^{-6}\ m

We need to find the temperature inside the furnace. The relationship between the temperature and the wavelength is given by Wein's law i.e.

\lambda\propto \dfrac{1}{T}

or

\lambda=\dfrac{b}{T}

b = Wein's displacement constant

\lambda=\dfrac{2.93\times 10^{-3}}{T}

T=\dfrac{2.93\times 10^{-3}}{\lambda}

T=\dfrac{2.93\times 10^{-3}}{1.9\times 10^{-6}\ m}

T = 1542.10 K

So, the temperature inside the furnace is 1542.10 K. Hence, this is the required solution.

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2 years ago
Could anyone help with this? :)
bonufazy [111]
I think the answer might be b
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What four elements composed everything in nature according to the beliefs of the ancient greeks? air, earth, fire, and water air
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Therefore, the first option is correct.
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hope it helps.

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