Physics: Which best explains why a wood- burning fireplace represents an open system? a.)because they are all made of brick b.)because the ashes have to be swept away c.)because they can be used for cooking d.)because a fire requires oxygen from the atmosphere to burn

Maximum frequency =Explanation:Given amplitude=A=0.20 mGravitational acceleration=9.81 Using equation of maximum frequency we havesubstitute values,Maximum frequency=...

Which best explains why a wood- burning fireplace

Ответ:

hhvgbv7147

10.07.2021

Physics

Maximum frequency = $f_{max}= 1.115$

Explanation:

Given amplitude=A=0.20 m

Gravitational acceleration=9.81 $m/s^{2}$

Using equation of maximum frequency we have

$f_{max}=(1/2\pi)*\sqrt{g/A} \\$

substitute values,

$f_{max}=(1/2*3.14)*(\sqrt{9.82/0.20}$

Maximum frequency= $f_{max}=1.115$

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Which best explains why a wood- burning fireplace represents an open system?
a.)because they are all made of brick
b.)because the ashes have to be swept away
c.)because they can be used for cooking
d.)because a fire requires oxygen from the atmosphere to burn

Ответ:

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