Determine the first space velocity for Mars if its mass is 0.64 x 10 ^ 24 kg, and its radius is 3400 km.
November 15, 2020 | Education
| decision
v = √GM / R
v = √ (6.67 * 10 ^ -11 * 0.64 * 10 ^ 24) / (3.4 * 10 ^ 6) = 3.54 (km / s).
