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netineya [11]
3 years ago
9

PLEASE HELP ASAP EXPLAIN PLEASE

Physics
1 answer:
Citrus2011 [14]3 years ago
4 0

Answer:

How can smoking affect the respiratory system?

Smoking and Respiratory Disease

Smoking can cause lung disease by damaging your airways and the small air sacs (alveoli) found in your lungs. Lung diseases caused by smoking include COPD, which includes emphysema and chronic bronchitis. Cigarette smoking causes most cases of lung cancer.

Explanation:

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A fan is to accelerate quiescent air to a velocity of 8 m/s at a rate of 9 m3 /s. determine the minimum power that must be suppl
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Given:
ρ = 1.18 kg/m³, density of air
v = 8 m/s, flow velocity
Q = 9 m³/s, volumetric flow rate

The minimum power required (at 100% efficiency) is
\frac{1}{2} (8 \,  \frac{m}{s} )^{2}*(9 \,  \frac{m^{3}}{s} )*(1.18 \,  \frac{kg}{m^{3}}) =  339.84 \, W

The actual power will be higher because 100% efficiency is not possible.

Answer: 339.8 W (nearest tenth)
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Explanation:

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1.5-m length of straight wire experiences a maximum force of 1.2 N when in a uniform magnetic field that is 1.8 T. 1) What curre
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Answer:

 I = 0.44 A

Explanation:

The magnetic force on a conductor is given by the expression

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Since the force is maximum, the wire must be perpendicular to the magnetic field, therefore

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PE=mgh

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