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anonymous
 one year ago
??
anonymous
 one year ago
??

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IrishBoy123
 one year ago
Best ResponseYou've already chosen the best response.0do you have an approach?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0I think I have to derive this

zepdrix
 one year ago
Best ResponseYou've already chosen the best response.2\(\large\rm a(t)=s''(t)\) Yes. And they want you to find \(\large\rm a(2)\)

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0It equals 3t^2/2√(t^3+1)

zepdrix
 one year ago
Best ResponseYou've already chosen the best response.2Oo looks like you'll need `quotient rule` to achieve that second derivative, ya? :o

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Yesss and I got 3t(t^3+4)/4(t^3+1)^(3/2)

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0So would I just plug 2 into that?

zepdrix
 one year ago
Best ResponseYou've already chosen the best response.2Hmm I got something very similar, but a (t^3+1)^(5/2) in the bottom. Lemme make sure I didn't make a boo boo somewhere.

zepdrix
 one year ago
Best ResponseYou've already chosen the best response.2Woops :) Ya I did. Looks like you are correct! Yes, proceed to plug in t=2.

zepdrix
 one year ago
Best ResponseYou've already chosen the best response.2and the units are going to be ft/sec^2 in case you need that as well.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Okay thank you so much!
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