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EPhoenix
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Homework Statement
First sphere m=0.3 kg collide noncentraly and elasticaly with other sphere of m= 0.35 kg and transfer 79% of first sphere kinetic energy during that collision... u1 is not defined, u2 = 0 m/s
Ratio between speed after collision v1 : v2 = ??
Homework Equations
m1u1 + m2u2 = m1v1 + m2v2
The Attempt at a Solution
Tryied to make Ek = Ek1 + Ek2
m1u1 = m1v1 + m2v2
m2v2 = 0.79 m1u1
v2 = 0.677 u1
m1v1 = 0.21 m1u1
v1= 0.21 u1
so ratio would be
v1 : v2 = 0.21u1 : 0.677u1
so in conclusion
v1 : v2 = 1 : 3.224
But I don't know if it's false or right...
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