Answered: if the ice absorbs a mean of 98 J/m2…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Question

After the sinking of RMS Titanic, US operated the International Ice patrol with the purpose of monitoring the presence and movements of icebergs in the Atlantic and Arctic oceans. Once, they observed a unique tabular iceberg in a form of a rectangle (250 km x 50 km x 300 m). How many years would it take to melt the iceberg solely by heat from the sun if the ice absorbs a mean of 98 J/m2 -s, 12.5 hrs per day? Note: the exposed area for heating is 250 km x 50 km and the density is 920 kg/m3 .

This is my solution.

50
ExpOsed avea : 25,X10," m
250
128
Vice = (260 x16 )(sono)(300).- 3.75 X10" whole , ice
920 kg
• 6.75 X10? : 3,45 x 10.0 kg
Mice
mass
whole, ive
3 45 X10
!-15, x 10").
8.
requireel. energy.
met. me ice
Sinee
98
1.15 x 16y.
98 X
1. 26 x10
1 doy hons
908.774000s.
I'day
208 G1.Ga days
vear
206GI. Ga days x
S7. 16 years
3G5 days

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