The average distance separating Earth and the Moon (center tocenter) is 384 000 km. Use the data in Table 7.3 to find the netgravitational force exerted by Earth and the Moon on a 3.00 104 kgspaceship located halfway between them.
1 N
Useful Planetary Data Body Mass (kg) Mean Radius (m) Period (s)Distance from Sun (m) T2/r3 (s2/m3)
Mercury 3.18 1023 2.43 106 7.60 106 5.79 1010 2.97 10-19
Venus 4.88 1024 6.06 106 1.94 107 1.08 1011 2.99 10-19
Earth 5.98 1024 6.37 106 3.156 107 1.496 1011 2.97 10-19
Mars 6.42 1023 3.37 106 5.94 107 2.28 1011 2.98 10-19
Jupiter 1.90 1027 6.99 107 3.74 108 7.78 1011 2.97 10-19
Saturn 5.68 1026 5.85 107 9.35 108 1.43 1012 2.99 10-19
Uranus 8.68 1025 2.33 107 2.64 109 2.87 1012 2.95 10-19
Neptune 1.03 1026 2.21 107 5.22 109 4.50 1012 2.99 10-19
Pluto ~1.4 1022 ~1.5 106 7.82 109 5.91 1012 2.96 10-19
Moon 7.36 1022 1.74 106 - - -
Sun 1.991 1030 6.96 108 - - -
The average distance separating Earth and the Moon (center tocenter) is 384 000 km. Use the data in Table 7.3 to find the netgravitational force exerted by Earth and the Moon on a 3.00 104 kgspaceship located halfway between them.
1 N
Useful Planetary Data Body Mass (kg) Mean Radius (m) Period (s)Distance from Sun (m) T2/r3 (s2/m3)
Mercury 3.18 1023 2.43 106 7.60 106 5.79 1010 2.97 10-19
Venus 4.88 1024 6.06 106 1.94 107 1.08 1011 2.99 10-19
Earth 5.98 1024 6.37 106 3.156 107 1.496 1011 2.97 10-19
Mars 6.42 1023 3.37 106 5.94 107 2.28 1011 2.98 10-19
Jupiter 1.90 1027 6.99 107 3.74 108 7.78 1011 2.97 10-19
Saturn 5.68 1026 5.85 107 9.35 108 1.43 1012 2.99 10-19
Uranus 8.68 1025 2.33 107 2.64 109 2.87 1012 2.95 10-19
Neptune 1.03 1026 2.21 107 5.22 109 4.50 1012 2.99 10-19
Pluto ~1.4 1022 ~1.5 106 7.82 109 5.91 1012 2.96 10-19
Moon 7.36 1022 1.74 106 - - -
Sun 1.991 1030 6.96 108 - - -
