1. Our anniversary is scheduled 23 days before the Vernal Equinox(March 21,2023) at 8:56 Solar Time. *Determine the equivalent scheduled date and time. (Show your solution.) Solve: -Difference (ET) between the true solar time and the mean solar time changes day to day with an annual cycle, ET=9.87sin (2D) - 7.53 cosD - 1.5 sinD where, D= 360x(Dn-81/365) -The hour angle, H, the azimuth angle of the suns rays caused by the eart rotation, H= AST-720min/4min/deg AST=LST+[(4min/deg)x(LSTM-long)]+ET where, Note: When dealing with angles, round off to three decimal places. When dealing with time, round off to the minute-integer.
1. Our anniversary is scheduled 23 days before the Vernal Equinox(March 21,2023) at 8:56 Solar Time. *Determine the equivalent scheduled date and time. (Show your solution.) Solve: -Difference (ET) between the true solar time and the mean solar time changes day to day with an annual cycle, ET=9.87sin (2D) - 7.53 cosD - 1.5 sinD where, D= 360x(Dn-81/365) -The hour angle, H, the azimuth angle of the suns rays caused by the eart rotation, H= AST-720min/4min/deg AST=LST+[(4min/deg)x(LSTM-long)]+ET where, Note: When dealing with angles, round off to three decimal places. When dealing with time, round off to the minute-integer.
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Question
![1. Our anniversary is scheduled 23 days before the Vernal
Equinox(March 21,2023) at 8:56 Solar Time.
*Determine the equivalent scheduled date and time.
(Show your solution.)
Solve:
-Difference (ET) between the true solar time and the mean
solar time changes day to day with an annual cycle,
ET=9.87sin (2D) - 7.53 cosD - 1.5 sinD
where,
D= 360x(Dn-81/365)
-The hour angle, H, the azimuth angle of the suns rays
caused by the eart rotation,
H= AST-720min/4min/deg
AST=LST+[(4min/deg)x(LSTM-long)]+ET
where,
Note: When dealing with angles, round off to three decimal
places. When dealing with time, round off to the
minute-integer.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F2866b5ae-e1a2-442d-8b37-59ed697ea637%2Ff33fc73b-ec8d-41e6-8199-6f8ef5a5e2a2%2Fra4vwnc_processed.jpeg&w=3840&q=75)
Transcribed Image Text:1. Our anniversary is scheduled 23 days before the Vernal
Equinox(March 21,2023) at 8:56 Solar Time.
*Determine the equivalent scheduled date and time.
(Show your solution.)
Solve:
-Difference (ET) between the true solar time and the mean
solar time changes day to day with an annual cycle,
ET=9.87sin (2D) - 7.53 cosD - 1.5 sinD
where,
D= 360x(Dn-81/365)
-The hour angle, H, the azimuth angle of the suns rays
caused by the eart rotation,
H= AST-720min/4min/deg
AST=LST+[(4min/deg)x(LSTM-long)]+ET
where,
Note: When dealing with angles, round off to three decimal
places. When dealing with time, round off to the
minute-integer.
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