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Old 9th Mar 2014, 22:44
  #1044 (permalink)  
slip and turn
 
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Originally Posted by surfcat
On the freefall time, the 3+ minute estimate is a bit off.

s=ut + 0.5at^2, assuming an initial vertical velocity of 0, and initial height s=8000m (I can't be bothered to convert 35,000' to m), t would be around 40s.
Oops Yes that logic you've used (with a=g=10m/s/s) also requires that the falling object hits the deck at 400m/s which ... er ... I fancy is a bit off for the reasons Messrs Gruntpuddock, dude, Cheer Up and 32 have gently reminded!

Terminal velocity.
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