Question

Find the time for orbit (days) and velocity of Mars (km/s) if it were to make...

Find the time for orbit (days) and velocity of Mars (km/s) if it were to make a perfectly circular orbit around sun. Average distance from outer center of sun to center of Mars is 228x10^6km
Mass of Sun is 1.989x10^30 kg
Mass of Mars is 6.39x10^23kg
Gravitational constant G is 6.67x10^-11 N-m^2/kg^2

Answer Choices
A 687.2 days, 24.13 km/sec
B 695 days, 23.86 km/sec
C 700 days, 23.68 km/sec
D 680 days, 24.383 km/sec

Engineering   Mechanical-Engineering   
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