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How to prove this physics question

  • Thread starter Pentagram
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  • #1
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Friends, I turn to you so that you can please help me. I need to prove the following:


please help me ....=(
thanks!
 

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  • #2
1,341
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What have you tried so far?
 
  • #3
3
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What have you tried so far?
I have to get from the first ecuation to the second ecuation and i dont know how
 
  • #4
nicksauce
Science Advisor
Homework Helper
1,272
5
I have to get from the first ecuation to the second ecuation and i dont know how
You mean get from the second equation to the first equation? The second equation is the definition of angular momentum.

Anyway, try writing out the vectors r and p in component form and taking the cross product. Then use the definitions of I and omega to show both expressions are the same.
 
  • #5
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you Mean Get From The Second Equation To The First Equation?
Yes!!
 
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