Refer to the masses of the planets in the table below. If the mass of Jupiter is

Question

Refer to the masses of the planets in the table below. If the mass of Jupiter is defined as 1 MJup, what is the mass of Saturn in units of MJup? Of Earth? PHYSICAL PROPERTIES (Earth-) Sidereal Period of Rotation Equatorial Radlus Average Density (g/cm2) Surface Gravity Escape Velocity (km/s) Inclination of Equator to Orbit Mass Planet (km) e- 1) 0.383 0.949 1.00 0.533 11.2 945 4.01 3.88 5.43 5.20 5.51 3.93 1.33 0.69 1.27 1.64 0.0 0.055 5.24 1.000 0.107 Mercury Venus Earth Mars Jupiter Satum Uranus Neptune Earth's mass-5.97 x 10 kg 58.6 d 243.0 d 23.93 h 24.62 h 992 h 10.57 h 17.23 h 16.11 h 2440 6378 3396 71492 60,268 25,559 24,764 0.38 0.90 1.00 0.38 2.53 1.06 0.89 104 11.2 5.0 59.5 35.5 21.3 23.5 23.4 25.2 3.1 26.7 97.8 28.3° 14.5 17.1 O a. Msaturn 7.48 x 10-1 Mjup; MBarth 2.09 x 10-3 MJup Jup O b. MSaturn 2.99 x 10-1 M^up; MEarth - 2.09 x 103 MJup . MSaturn-7.48x 10-1 MJup; MEarth-3.14 x 10-3 M,up O d. Msaturn 2.99 x 10-1 Mjup; MBarth - 3.14 x 10-3 MJup

Explanation / Answer

Given that (in table)

1. Mass of earth Mearth = 1.00

2. Mass of Saturn, Msaturn = 95.2

3. Mass of Jupiter, MJup = 318

Now divide eq 2 /eq3

Msaturn/MJup = 95.2/318

Msaturn/MJup = 0.299 = 2.99*10^-1

Msaturn = 2.99*10^-1*MJup

Now divide eq 1 /eq3

Mearth/MJup = 1/318

Mearth/MJup = 0.00314 = 3.14*10^-3

Mearth = 3.14*10^-3*MJup

Correct option is D.

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