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## Homework Statement

A projectile launched vertically from the surface of the Moon rises to an altitude of 370 km. What was the projectiles initial speed?

## Homework Equations

Vf ^2 = Vi^2 + 2ad

## The Attempt at a Solution

distance = 370km x 1000 = 3.7E 5 meters

solving for Vi = sqroot of Vf^2 - 2ad

sqrt of 0 - -1.63 x 3.7E5 = 777m/s