juiceboxbabe
juiceboxbabe juiceboxbabe
  • 13-07-2016
  • Mathematics
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A steel worker dropped his wrench off the top of a new high rise building. How far will the wrench fall in 3 seconds?

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olemakpadu
olemakpadu olemakpadu
  • 13-07-2016
Using  S = ut + 1/2gt²,   from rest, u = 0

S = 1/2gt²,               g ≈ 9.8 m/s²

S = 1/2 *9.8*3²

S = 0.5 *9.8*3*3 

S ≈ 44.1 m
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