AS the moon revolves around the earth, the side that faces the earth is usually just partially illuminated by the sun. The phases astronomical measure of phase is given by the fraction F of the lunar disc that is lit. When the angle between the sun, earth, an- below. Determine the angles that correspond to the following phases. (If there are any unused answer boxes, enter NONE in t F = (1 - cos(e)) 0 (a) F = 0 (new moon) 0 ✔ (smaller) NONE (larger) (b) F= 0.25 (crescent moon) 0.5 X (smaller) NONE X (larger) (c) F = 0.5 (first or last quarter) NONE X (smaller) NONE X (larger) (d) F = 1 (full moon) NONE X (smaller) NONE (larger) MacBook Air

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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moon revolves around the earth, the side that faces the earth is usually just partially illuminated by the sun. The phases
astronomical measure of phase is given by the fraction F of the lunar disc that is lit. When the angle between the sun, earth, and
below. Determine the angles that correspond to the following phases. (If there are any unused answer boxes, enter NONE in th
F = (1 - cos(0))
0
(a) F = 0 (new moon)
0
✓ (smaller)
NONE
(larger)
(b) F = 0.25 (crescent moon)
0.5
X (smaller)
NONE
X (larger)
(c) F = 0.5 (first or last quarter)
NONE
X (smaller)
NONE
X (larger)
(d) F = 1 (full moon)
NONE
X (smaller).
NONE
(larger)
MacBook Air
Transcribed Image Text:moon revolves around the earth, the side that faces the earth is usually just partially illuminated by the sun. The phases astronomical measure of phase is given by the fraction F of the lunar disc that is lit. When the angle between the sun, earth, and below. Determine the angles that correspond to the following phases. (If there are any unused answer boxes, enter NONE in th F = (1 - cos(0)) 0 (a) F = 0 (new moon) 0 ✓ (smaller) NONE (larger) (b) F = 0.25 (crescent moon) 0.5 X (smaller) NONE X (larger) (c) F = 0.5 (first or last quarter) NONE X (smaller) NONE X (larger) (d) F = 1 (full moon) NONE X (smaller). NONE (larger) MacBook Air
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