anonymous
  • anonymous
The position of a car, in metres, at time t, in seconds, is modelled by s(t)=3t^2+10t. Find its velocity at t=10.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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Nnesha
  • Nnesha
replace t by 10 2)solve
CoconutJJ
  • CoconutJJ
I think it's instantaneous velocity, d/dt(3t^2+10t)
Nnesha
  • Nnesha
mhmhm then ignore that ;3

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More answers

CoconutJJ
  • CoconutJJ
dy/dt = 6t+10
anonymous
  • anonymous
Would I just have to replace t by 10? using this equation?
CoconutJJ
  • CoconutJJ
What are you trying to find, Instantaneous Velocity or Average Velocity?
anonymous
  • anonymous
The question only says to find the velocity at t=10.
CoconutJJ
  • CoconutJJ
What grade are you in?
anonymous
  • anonymous
12
CoconutJJ
  • CoconutJJ
Most likely your finding Inst Velocity.. do you know what is a derivative ?
anonymous
  • anonymous
Would it be 2(3t) + 10t?
CoconutJJ
  • CoconutJJ
Yes.. but drop the t from the 10... -> 2(3t)+10
anonymous
  • anonymous
Then I just plug in 10 for t?
CoconutJJ
  • CoconutJJ
yes...
anonymous
  • anonymous
Thank you!

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