# Physics Help in Conservation of momentum

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• 4
D

#### Deleted User

##### Guest
OP
Can someone help to transpose this equation[m1u1 + m2u2 = m1v1 + m2v2] to find

1. M1
2. M2

#### trumpet-205

##### Embrace the darkness within
Member
m represents mass
v represents velocity after
u represents velocity before

m*v = linear momentum

#### DeviousTom

##### Well-Known Member
Member
Uh, if your asking to find m1 and m2, it would be impossible if neither are given, you would need at least one to solve for the other, if your asking to rearrange (which you probably are) the equation so u get m1 = something, and m2 = something, then it would be

m1 = m2 (v2-u2)/(u1-v1)
m2 = m1 (u1-v1)/(v2-u2)

D

#### Deleted User

##### Guest
OP
trumpet-205 said:
m represents mass
v represents velocity after
u represents velocity before

m*v = linear momentum
I know that. But I need that equation transposed

D

#### Deleted User

##### Guest
OP
DeviousTom said:
Uh, if your asking to find m1 and m2, it would be impossible if neither are given, you would need at least one to solve for the other, if your asking to rearrange (which you probably are) the equation so u get m1 = something, and m2 = something, then it would be

m1 = m2 (v2-u2)/(u1-v1)
m2 = m1 (u1-v1)/(v2-u2)
Thank you very much!!!

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