anonymous
  • anonymous
if elevator goes up at 3.125 m/s2 for 4.0 seconds what is a. final speed in meters per second ? b. final speed in miles per hour ?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
a. 3.125 * 4 =12.5m/s if i'm not mistaken
anonymous
  • anonymous
^^ that's right assuming zero initial velocity.
anonymous
  • anonymous
b. \[12\times1000\div60\times1\div0.62\times1\div60\] =5.378mile/hour is it anwar? o.62 = 1km 1km=1000m

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anonymous
  • anonymous
since we have the following formula: a)\[\nu=\nu_i+at \implies v=0+(3.125)(4)=12.5 m/s\] b)\[1 meter = 0.62\times10^{-3} miles, 1 hour =3600 \sec\] the rest is trivial
anonymous
  • anonymous
anwar,why dont u help me solve my differential equation problem..... ^^" if that doesnt bother u
anonymous
  • anonymous
I hope it's an easy one, because it's already my bed time :(
anonymous
  • anonymous
i've already post it

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