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ohaa [14]
3 years ago
15

The area of the object is 10 cm2, it is 2 m away from the 200 cd light source. What stream of light falls on the book?

Physics
1 answer:
kumpel [21]3 years ago
7 0

answer to your question is given in the attachment

<h3>HOPE THIS HELPS :)</h3>

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When material allow to heat to pass though them rapidly they are known as __________​
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They are conductors/conductive. Materials that can transfer thermal energy well are conductive.

Explanation:

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How often must you check the temperature of food that is being held with temperature control?.
loris [4]

You need to check the temperature of food being stored in a temperature-controlled environment every four hours. The process of changing a space's temperature is called temperature control.

Cooking food alone may not be enough to avoid food poisoning, though, if the bacteria in food are allowed to grow to large numbers. When the temperature is between 5°C and 63°C, bacteria can grow. The risk zone is the range between 5°C and 63°C.

Temperature control is a process where the passage of heat energy into or out of a space or substance is adjusted to achieve the desired temperature. This process involves measuring or otherwise detecting changes in the temperature of the space (and all of the objects contained therein) or of the substance.

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1 year ago
Which feature of a chemical equation represents the law of conservation of mass?
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4 0
3 years ago
A manufacturer claims its cleanser works twice as fast as any other. Could test be performed to support the claim? Explain
lora16 [44]

Yes, a test could be performed to support the claim.

 

Hypothesis: The claim that a manufacturer’s cleanser works twice as fast as any other cleanser.

 

So, based from this hypothesis, we can perform the following tests:

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1.       Get two tiles and put the same amount of stain on them.

2.       Apply Cleanser A on the first tile and Cleanser B on the second tile.

3.       Apply the same amount of force in removing the stains on both tiles

4.       Record the amount of time it takes to remove the stains on each tile.

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3 years ago
The combustion of ethanol, C2H5OH(l), in oxygen to form carbon dioxide gas and water vapor is shown by which balanced chemical e
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C2H5OH (l) + 3 O2 (g) = 2 CO2 (g)+ 3 H2O (l/g)
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