The Earth is not a uniform sphere, but has regions of varying density. Consider a simple model of the Earth divided into three regions-inner core, outer core, and mantle. Each region is taken to have a unique constant density (the average density of that region in the real Earth): Part A Use this model to predict the average density of the entire Earth. Region Radius (km) Density (kg/m³) Express your answer to three significant figures and include the appropriate units. Inner Core 0 – 1220 13, 000 HẢ Outer Core 1220 – 3480 11, 100 3480 – 6380 4400 ? Mantle P3 regions = Value Units Submit Request Answer Part B If the radius of the Earth is 6380 km and its mass is 5.98 x 1024 kg, determine the actual average density of the Earth. Express your answer to three significant figures and include the appropriate units. HÀ ? Paverage = Value Units Submit Request Answer

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
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The Earth is not a uniform sphere, but has regions of
varying density. Consider a simple model of the Earth
divided into three regions-inner core, outer core, and
mantle. Each region is taken to have a unique constant
density (the average density of that region in the real
Earth):
Part A
Use this model to predict the average density of the entire Earth.
Region
Radius (km) Density (kg/m³)
Express your answer to three significant figures and include the appropriate units.
Inner Core 0 – 1220
13, 000
Outer Core 1220
3480 11, 100
HÀ
?
Mantle
3480 –
6380 4400
P3 regions =
Value
Units
Submit
Request Answer
Part B
If the radius of the Earth is 6380 km and its mass is 5.98 × 1024 kg, determine the actual average density of the Earth.
Express your answer to three significant figures and include the appropriate units.
HẢ
?
Paverage =
Value
Units
Submit
Request Answer
Transcribed Image Text:The Earth is not a uniform sphere, but has regions of varying density. Consider a simple model of the Earth divided into three regions-inner core, outer core, and mantle. Each region is taken to have a unique constant density (the average density of that region in the real Earth): Part A Use this model to predict the average density of the entire Earth. Region Radius (km) Density (kg/m³) Express your answer to three significant figures and include the appropriate units. Inner Core 0 – 1220 13, 000 Outer Core 1220 3480 11, 100 HÀ ? Mantle 3480 – 6380 4400 P3 regions = Value Units Submit Request Answer Part B If the radius of the Earth is 6380 km and its mass is 5.98 × 1024 kg, determine the actual average density of the Earth. Express your answer to three significant figures and include the appropriate units. HẢ ? Paverage = Value Units Submit Request Answer
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