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Results

Thu= rsday, March 19, 2009

8:0= 8 AM

Rubber bands=

Result

27

Big boom

25

Boom

24

10cm above f= loor

24.5

2.5 cm above= floor

First of all t= ake into account the height of mass hanging dragon

So use the hei= ght 4.59m

Still  26.92 rubber bands needed

??Mass of rubb= er bands

1 rubber band = =3D .538 g

Peter says don= 't figure in; too complicated; don't know calculus