It is known that the first and second cosmic velocities are 7.9 km / s and 11.2 km / s.
| December 29, 2020 | education
Let’s express the first space V1:
V1 = 7.9km / s = 7900m / s, because. one kilometer 1000 meters
V1 = 7.9km / s = 7.9 * 3600km / h = 28440km / h (since 3600 seconds per hour)
Let us express similarly the second cosmic V2:
V2 = 11.2km / s = 11200m / s = 40320km / h
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