anonymous
  • anonymous
i need help with this problem The acceleration function and the initial velocity for a particle moving along a line are: a(t)= 2t + 3, v(0)= -4, 0
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
do you know the formula for displacement in terms of initial velocity and acceleration?
anonymous
  • anonymous
i do not
anonymous
  • anonymous
okay, well it is: s(t) = u*t+1/2*a*t^2

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anonymous
  • anonymous
where u is the initial velocity, a is acceleration, and s is the displacement.
anonymous
  • anonymous
ok
anonymous
  • anonymous
substitute your values in that equation to get displacement
anonymous
  • anonymous
well i get 34.5 but the answer is still wrong
anonymous
  • anonymous
i dont know what i did wrong
anonymous
  • anonymous
you should get 28.5. Is that right?
anonymous
  • anonymous
how did u get that answer
anonymous
  • anonymous
i just substituted t = 3 and u = v(0) = -4
anonymous
  • anonymous
wow thank you
anonymous
  • anonymous
you are welcome.

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