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## Homework Statement

There are 2 objects both with mass 0.50 kg which are dropped from rest at height h. One is dropped on Earth and experiences air resistance and one is dropped on moon and experiences no air resistance. The gravitational acceleration on earth is 9.8 and on moon it is 1.6.

From what height h will the objects hit the ground at the same speed?

## Homework Equations

F=-kv for air resistance

k=0.17

## The Attempt at a Solution

I know that we will somehow use the gravitational acceleration.