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burhan101
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Velocity = 9t²81t+162
At what time,t, is the velocity not changing?
 one year ago
 one year ago
burhan101 Group Title
Velocity = 9t²81t+162 At what time,t, is the velocity not changing?
 one year ago
 one year ago

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ganeshie8 Group TitleBest ResponseYou've already chosen the best response.1
find its vertex
 one year ago

julian25 Group TitleBest ResponseYou've already chosen the best response.0
but really the velocity is not changing there?
 one year ago

ganeshie8 Group TitleBest ResponseYou've already chosen the best response.1
dw:1371752495017:dw
 one year ago

burhan101 Group TitleBest ResponseYou've already chosen the best response.0
0= 9t²81t+162 ? @ganeshie8
 one year ago

julian25 Group TitleBest ResponseYou've already chosen the best response.0
yes the rate of change there is 0
 one year ago

ganeshie8 Group TitleBest ResponseYou've already chosen the best response.1
@burhan101 look up formula for "vertex of parabola"
 one year ago

ganeshie8 Group TitleBest ResponseYou've already chosen the best response.1
vertex occurs at \(\frac{b}{2a}\)
 one year ago

ganeshie8 Group TitleBest ResponseYou've already chosen the best response.1
a = 9 b = 81 just plugin
 one year ago

ganeshie8 Group TitleBest ResponseYou've already chosen the best response.1
correct ! thats the time when verlocity becomes 0
 one year ago

ganeshie8 Group TitleBest ResponseYou've already chosen the best response.1
*velocity
 one year ago
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