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denis-greek [22]
3 years ago
8

5. From the definition of work, explain why only the vertical height of the stairs is measured. Hint: Think of the data table co

lumn headed “Increase of GPE."
Physics
1 answer:
natulia [17]3 years ago
8 0
The motivation behind why the vertical stature of the stairs is the main thing measured is that it uncovers to us how much gravity is up against the individual and their weight, so we require this data to decide how much vitality and power we have to get up the stairs.
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Real bodies emit and absorb more radiation than a blackbody at the same temperature. True or False
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Answer: False

Explanation:

Relative to the concept of radiations, a black body is an object capable of absorbing any form of electromagnetic radiation irrespective of its frequency or angle of incidence when incident on such object.

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The concept of emmisivity is brought about by the existence of real bodies .

This is due to the fact that they are only able to emit radiation at a fraction of the black body energy levels.

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As such they are not able to emit as much radiation as a black body at the same temperature.

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