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Scholar
Karma Points: 200
Respect (94%):
Date Posted: 5/31/2008 5:04:02 AM  Status: Live
energy
Course Textbook Chapter Problem
General Physics N/A N/A N/A
Question Details:
As the bullet enters the wood block of a ballistic pendulum, which is/are conserved?
 
a- kinetic energy or momentum
b-kinetic energy but not momentum
c- neither kinetic energy nor momentum
d- momentum but not kinetic energy
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Oracle
Karma Points: 21,845
(Ohio University Main Campus)
Date Posted: 5/31/2008 5:23:23 AM  Status: Live
Asker's Rating: Lifesaver   
Response:
Choice (d) Momentum Not kinetic enrgy.
 
Pasrt of the initial kinetic enrgy is used upor diipated in doing work in piercing the block.
Or part of K is converted into elastic potential enrgy. So total K befoe collision is NOT = total K after collision.
This is an inelastic collision.
RN's Comment:
thank you
 
Kayen (Enjoys helping you uderstand..)
Please do not forget to Rate my Response.

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Oracle
Karma Points: 32,833
Date Posted: 5/31/2008 7:32:44 AM  Status: Live
Asker's Rating: Helpful   
Response:

As the bullet enters the wood block of a
ballistic pendulum, which is/are conserved?
     
a- kinetic energy or momentum
b-kinetic energy but not momentum
c- neither kinetic energy nor momentum
(d)- momentum but not kinetic energy
    
.
RN's Comment:
thank you
          PLEASE RATE!!!     PLEASE RATE!!!     PLEASE RATE!!!








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Guru
Karma Points: 2,126
(Paideia (Atlanta, GA))
Date Posted: 7/1/2008 2:19:56 PM  Status: Live
Asker's Rating: Somewhat Helpful   
Response:
d- momentum but not kinetic energy
RN's Comment:
i rate higher for early responses thx
Rate or not rate!!! What goes around comes around!!!



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