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April 20, 2014

Homework Help: GRADE 12 PHYSICS AGAIN

Posted by Haley on Wednesday, September 12, 2007 at 8:49pm.

it has been 2 hours, can't someone please help me? I need to know if what I did was right, I think it is wrong and one of the numbers is supposed to subtracted instead of added.

2.44(t+1)^2
= 2.44 (t^2-2t-1)
d=2.44t^2-4.88t+2.44

& then

1.83t^2=2.44t^2-4.88t+2.44
0=0.61t^2-4.88+2.44 >>>I think it should be -2.44

and then into the quadratic equation it goes?

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