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Tamiku [17]
3 years ago
8

How does conduction differ from convection?

Physics
2 answers:
nataly862011 [7]3 years ago
3 0
Conduction has to be touching the two objects. Convection is not direct.
Elanso [62]3 years ago
3 0

for online classes : Conduction warms the atmosphere as fast-moving molecules come into contact with lower-energy molecules until all molecules are moving at about the same rate. As the atmosphere warms, molecules move apart. As the heated air flows, heat is transferred by convection from warm, low-pressure air to cooler, high-pressure air.

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3 0
3 years ago
An intravenous (IV) system is supplying saline solution to a patient at the rate of 0.06 cm3/s through a needle of radius 0.2 mm
horsena [70]

Answer:

Pressure applied to the needle is 7528 Pa

Explanation:

As we know by poiseuille's law of flow of liquid through a cylindrical pipe

the rate of flow through the pipe is given as

Q = \frac{\Delta P \pi r^4}{8\eta L}

now we know that

Q = 0.06 \times 10^{-6} m^3/s

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Length = 6.32 cm

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now we have

6 \times 10^{-8} = \frac{\Delta P \pi (0.2 \times 10^{-3})^4}{8(1 \times 10^{-3})6.32 \times 10^{-2}}

3.03 \times 10^{-11} = \Delta P 5.02 \times 10^{-15}

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now we have

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8 0
3 years ago
A 10.00 kg block is placed at the top of a long frictionless inclined plane angled at 37.9 degrees relative to the horizontal. T
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4 0
2 years ago
Which of the following is an example of projectile
jonny [76]

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3 years ago
Which statement is true according to Newton's first law of motion?
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hope this helps and have a great day :)







8 0
3 years ago
Read 2 more answers
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