chris215
  • chris215
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Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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DanJS
  • DanJS
remember velocity and accelerations are time derivatives of the position function s(t) v(t) = d/dt [ s(t) ] a(t) = d/dt [ s(t) ] = d^2/ dt^2 [ s(t) ]
DanJS
  • DanJS
you can use the chain rule on that one s(t) v(t) = s ' (t ) = t * (1/5t) *5 + ln(5t) * 1 = 1 + ln(5t)
DanJS
  • DanJS
take derivative of that velocity to get accel a(t) you ned

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chris215
  • chris215
I got 1/t?
caozeyuan
  • caozeyuan
should be 1/(5t)
chris215
  • chris215
the only answer choice I have is 5e or 5e^2
caozeyuan
  • caozeyuan
it is 5e
caozeyuan
  • caozeyuan
didn't saw v=0 there

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