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soicuw
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Homework Statement
I'm having trouble with questions such as: A kangaroo jumps to a vertical height of 2.7m. How long was it in the air before returning to earth?
Homework Equations
My guess is: vf2=2a(delta)x
but I am not certain.
The Attempt at a Solution
vf2=2*-9.8*2.7
it gave the wrong answer. The answer key says t=1.5sec. I need to know how to find this! Thanks
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