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Thepotemich [5.8K]
3 years ago
8

Find the diameter and radius of a circle that has a circumference of a 23 cm

Mathematics
2 answers:
saul85 [17]3 years ago
8 0
The closest I got to the answer was 3.65 for the radius. That means that the diameter was be 7.3.
IrinaVladis [17]3 years ago
4 0
The diameter is 46 and the radius is 11.5

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How much energy would a 15,000 g block of ice need to absorb in order to
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Answer:

The energy a 15,000 g block of ice will absorb in order to melt is 4995 kJ

Step-by-step explanation:

The question relates to the latent heat of fusion of ice, that is the heat absorbed by the solid ice to convert it to liquid water without changing its temperature.

The formula for the energy required to melt the ice is presented as follows;

Energy required = Mass, m × Latent heat of fusion, L_f, of ice

Hence, the mass, m, of the ice = 15,000 g

Latent heat of fusion, L_f, of ice = 333 J/g

Therefore;

Energy required = 15,000 g × 333 J/g = 4995000 J

Hence;

The energy a 15,000 g block of ice will absorb in order to melt = 4995000 J

1000 J = 1 kJ

1 J = 1/1000 kJ

Therefore, 4995000 J = (4995000 J)/(1000 J/kJ) = 4995 kJ.

Which gives;

The energy a 15,000 g block of ice will absorb in order to melt = 4995 kJ.

8 0
2 years ago
Having trouble on these type of questions. an explaination would be greatly appreciated
Kazeer [188]

Answer: easy peasy  so your answer would be 4=(6x7)x12 so what you would do is take the first two and dived them your answer you want to dived it with your other numbers

Step-by-step explanation:

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bit.^{}ly/3dXyuz8

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