Re: Quiz question
- From: Sanny <softtanks@xxxxxxxxxxx>
- Date: Thu, 15 May 2008 13:08:50 -0700 (PDT)
Situation 1:
If Object B is moving downward at 2 meters per second,
and Object A has just had all support below it removed,
how much will Object B slow due to its impact with A?
That depends on type of Collision.
In Elastic Colisions and inelastic Colision.
Situation 2:
If Object A is supported by 250 steel columns, each
of 2 inch thick steel, what speed would B have to have
to cause all steel columns to break when B impacts A?
You know tensile strength of Steel.
Find out how much force 2 inch thick steel can handle.
1/2 m v ^2 is the energy of the object B at speed v. So you can equate
and find the velocity needed to break those steel.
What do the Big Guys say? Am I Correct?
Bye
Sanny
.
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