Figure 1 shows Jupiter (mjupiter = 1.898 x 1027 kg), along with the orbit of three Gallean moons: lo (mo = 8.932 × 10?2 kg, mean distance from Jupiter 421,700km), Europa (M Europa = 4.8 x 1022 kg, mean distance from Jupiter 670,900km), and Ganymede (Mcanymede = 1.48 x 1023 kg, mean distance from Jupiter 1,070,400km). Assume for this problem that all three moons have a circular orbit around Jupiter. a. For part a, consider only the gravitational attraction between Jupiter and Ganymede. Find Ganymede's period around Jupiter. Give your answer in days. b. For parts b and c, consider the gravitational attraction of the three Galilean moons to each other, and ignore Jupiter itself. Go to figure 1 and label the gravitational forces on all three Galilean moons from each of the other moons. Indicate which forces have the same magnitudes. C. Given that the moons are in the position shown (Europa and lo are in line with Jupiter, and this line makes a right angle with the line from Jupiter to Ganymede) find the net gravitational force on Ganymede from the other two moons.

Horizons: Exploring the Universe (MindTap Course List)
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Chapter20: Astrobiology: Life On Other Worlds
Section: Chapter Questions
Problem 15RQ
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10
Jup
Europa
Figure I
Ganymede
Transcribed Image Text:10 Jup Europa Figure I Ganymede
Figure 1 shows Jupiter (mjupiter = 1.898 ×
1027 kg), along with the orbit of three
Gallean moons: lo (mo = 8.932 × 10?2 kg,
mean distance from Jupiter 421,700km),
Europa (M Europa = 4.8 x 1022 kg, mean
distance from Jupiter 670,900km), and
Ganymede (Mcanymede = 1.48 x 1023 kg,
mean distance from Jupiter 1,070,400km).
Assume for this problem that all three
moons have a circular orbit around Jupiter.
a. For part a, consider only the gravitational
attraction between Jupiter and Ganymede.
Find Ganymede's period around Jupiter.
Give your answer in days. b. For parts b and
c, consider the gravitational attraction of
the three Galilean moons to each other, and
ignore Jupiter itself. Go to figure 1 and label
the gravitational forces on all three Galilean
moons from each of the other moons.
Indicate which forces have the same
magnitudes. C. Given that the moons are in
the position shown (Europa and lo are in line
with Jupiter, and this line makes a right
angle with the line from Jupiter to
Ganymede) find the net gravitational force
on Ganymede from the other two moons.
Transcribed Image Text:Figure 1 shows Jupiter (mjupiter = 1.898 × 1027 kg), along with the orbit of three Gallean moons: lo (mo = 8.932 × 10?2 kg, mean distance from Jupiter 421,700km), Europa (M Europa = 4.8 x 1022 kg, mean distance from Jupiter 670,900km), and Ganymede (Mcanymede = 1.48 x 1023 kg, mean distance from Jupiter 1,070,400km). Assume for this problem that all three moons have a circular orbit around Jupiter. a. For part a, consider only the gravitational attraction between Jupiter and Ganymede. Find Ganymede's period around Jupiter. Give your answer in days. b. For parts b and c, consider the gravitational attraction of the three Galilean moons to each other, and ignore Jupiter itself. Go to figure 1 and label the gravitational forces on all three Galilean moons from each of the other moons. Indicate which forces have the same magnitudes. C. Given that the moons are in the position shown (Europa and lo are in line with Jupiter, and this line makes a right angle with the line from Jupiter to Ganymede) find the net gravitational force on Ganymede from the other two moons.
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