nishhhhhhaaa
nishhhhhhaaa
12-02-2017
Mathematics
contestada
I don't know where to begin and I'm lost
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LammettHash
LammettHash
19-02-2017
The velocity function is given by the derivative of the displacement function.
[tex]v(t)=\dfrac{\mathrm ds(t)}{\mathrm dt}=-\dfrac2{t^3}[/tex]
You want to find the velocity at [tex]t=2.5[/tex], which would be
[tex]v(2.5)=-\dfrac2{2.5^3}=-\dfrac{16}{125}=-0.128[/tex]
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