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Schach [20]
2 years ago
5

Air in the atmosphere is heated by the ground this warm air then rises and cooler air falls this is an example of what type of p

rocess.
A. Convection
B.radiation
C. Conduction
D. Conductivity


How is conduction different from radiation

A. Conduction does not require a physical substance to transfer heat and radiation does.

B. Radiation only occurs when two objects are touching and conduction can occur without contact

C. Conduction uses currents to transfer heat throughout a fluid and radiation uses electromagnetic waves to carry heat

D. Conduction occurs through contact of particles and radiation can occur without the presence of a physical substance
Physics
1 answer:
Alona [7]2 years ago
8 0
The answer for both is ‘B’
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A stone is dropped into a well. The sound of the splash is heard 6.25 s later. What is the depth of the well? (Take the speed of
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Explanation:

Given data

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solution

let us consider depth d

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depth = 1/2 ×g ×t²    ..............1

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here we have given time 6.25 that is sum of 2 time

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t1 = 5.77376 sec

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If a chemical is completely consumed in a chemical reaction, what is the substance?
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Answer:

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