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For fun we decided to drop a
fat unicorn and a skinny unicorn from a height of 100 meters.
We had to calculate the time it
took for them to hit the
ground because we forgot the stopwatch.
The fat unicorn has a mass of
720 kg and the skinny unicorn has a mass of 270 kg.
t=sqrt[(2x)/a(cceleration)] when falling the acceleration is
due to gravity which is 9.8 m/s^2
for the fat
unicorn: t=sqrt[(2*100m)/(9.8m/s^2)]= 4.52s
skinny unicorn:
t=sqrt[(2*100m)/(9.8m/s^2)]= 4.52s
You may have noticed that they
are the same and you're correct. The two unicorns land at the
same time. Don't believe me
watch this video:
As he says the forces on the two unicorns are different:
F(orce)=m(ass)*a(cceleration) Fat unicorn:
F=(7290kg)(9.8m/s^2)= 7056 N(ewtons)
Skinny unicorn: F=(270kg)(9.8m/s^2)= 2646 N
http://www.greenmanreview.com/images/psb/psb_Moon-Unicorn.jpg
http://theuniblog.evilspacerobot.com/wp-content/uploads/2011/05/jenseng.jpg
