# Calculate the first space velocity for Mars if its radius is 3380 km. And the acceleration of gravity is 3.86 m / s2.

December 31, 2020 | education

| Formula 1 of the cosmic speed:

V = √g * R

on assignment:

R = 3380 km = 338 * 10 ^ 4 m

g = 3.86 m / s2

Decision:

V = √g * R = √3.86 * 338 * 10 ^ 4 = 36.12 * 10 ^ 2

V = 36.12 * 10 ^ 2 – the first space velocity for Mars

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