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OpenStudy (anonymous):
Need help with part a, picture attached.
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OpenStudy (anonymous):
OpenStudy (anonymous):
I know the concept, like I substitute the values in and I will get two equations which I have to solve simultaneously, that's what I think but somehow I can only get one equation to equal zero... I have to get both to equal zero to equate them, which allows me to solve for a and z.
OpenStudy (shubhamsrg):
1st eqn will be 8.67 = k(170^2) (a- 170) 2nd eqn will be 0 = k(200^2) (a-200) solve for k and a .
OpenStudy (anonymous):
|dw:1359118864280:dw| put equation 2 in equation 1 to get value of k
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