- #1
kmiller
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Homework Statement
An astronaut on Mars drops a rock straight downward from a height of 0.90 m. If the acceleration of gravity on Mars is 3.73 m/s2, what is the speed of the rock when it lands?
find m/s
The Attempt at a Solution
.90m/3.73m/s2=.2413
squareroot .2413=.491
.90m+1/2(3.73m/s2)(.491)
=1.816m/s
it was wrong what equation am i suppose to use?