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pttest
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Homework Statement
A rocket blasts off and moves straight upward from the launch pad with constant acceleration. After 3.2 s the rocket is at a height of 85 m. What the magnitude of the rocket's acceleration? What is the direction of the rocket's acceleration (upward / downward)?
What is its speed at this time?
Homework Equations
v=d/t and v=gt (since it moves straight upward)
The Attempt at a Solution
v=85/3.2=26.6m/s
therefore g=v/t => 26.6/3.2= 8.3m/s^2
But the answer is wrong. Could someone help me with it?
Thanks in advance