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motikmotik
3 years ago
9

Explain how conduction, convection, and radiation occur involving a campfire

Physics
1 answer:
weqwewe [10]3 years ago
7 0

Answer:

https://wtamu.edu/~cbaird/sq/2015/02/26/when-i-sit-by-a-campfire-how-does-its-hot-air-heat-me/#:~:text=When%20you%20sit%20by%20a,It%20comes%20from%20thermal%20radiation.&text=Since%20air%20is%20a%20good,of%20pockets%20of%20heated%20fluid.

Here's a link to help you hope it helps have a good day

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Blood pressure is usually expressed by two numbers. What are those two numbers called?
sergiy2304 [10]
Top number is  your <span>systolic </span><span>pressure 

Bottom number is your </span>diastolic<span> </span><span> </span>pressure<span> 

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8 0
3 years ago
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Blood borne pathogens can be transmitted between persons through
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4 years ago
The Sun's energy comes from which nuclear reaction? O A. Two nuclei joining to form a larger nucleus OB. Two nuclei giving off a
BlackZzzverrR [31]

Answer:

Nuclear Fusion reactions power the Sun and other stars. In a fusion reaction, two light nuclei merge to form a single heavier nucleus. The process releases energy because the total mass of the resulting single nucleus is less than the mass of the two original nuclei.

Explanation:

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3 years ago
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Kinetic energy during an object falling
Crazy boy [7]

Answer:

kinetic \: energy =  \frac{1}{2} m {v}^{2}  \\  m = mass \: of \: the \: object \\ v = velocity \:

6 0
3 years ago
A system has 4 independent and identical motors, in order for the system to work, at least one of the motors must operate. Each
grin007 [14]

Answer:

The system's Mean Time to Failure is 1,041.\bar 6 hours

Explanation:

The number of independent identical motors = 4

The failure rate of each motor, λ = 0.002 failures per hour

Given that in order for the system to work, at least one of the motors must operate, therefore, the system are in parallel

The Mean Time to Failure for a parallel system of four identical components is given as follows;

MTTF = \dfrac{1 }{\lambda} \times \left (1 + \dfrac{1}{2} +  \dfrac{1}{3} + \dfrac{1}{4} \right)

Which gives;

MTTF = \dfrac{1 }{0.002} \times \left (1 + \dfrac{1}{2} +  \dfrac{1}{3} + \dfrac{1}{4} \right) = 1,041.\bar 6

The system's Mean Time to Failure = 1,041.\bar 6 hours.

8 0
3 years ago
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