anonymous
  • anonymous
The figure below shows a system of two masses connected by a string. As m falls a distance h, M accelerates up the plane. The coefficient of friction between M and the inclined plane is µ. What is the change in potential energy on the system after the m has fallen a distance h?
Physics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
|dw:1443927305016:dw|
anonymous
  • anonymous
@Photon336
Photon336
  • Photon336
|dw:1443927600583:dw|

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Photon336
  • Photon336
@Michele_Laino @sweetburger @Shalante
anonymous
  • anonymous
LOL thank you but i need the potential energy not tension
anonymous
  • anonymous
my friend put PE=mgh so change in PE=mgh2-mgh1 but the teacher said that we need to include PE of the cart (M) @Photon336
Photon336
  • Photon336
well. tension would cancel out :)
Photon336
  • Photon336
but definitely you need to use that formula I think this problem would be more approachable if we just considered doing it in terms of potential energy
anonymous
  • anonymous
oh ok! but where would i include h @Photon336
IrishBoy123
  • IrishBoy123
\(\Delta U = -mgh + Mgh \sin \theta\)

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