APFIVE Kinetic Energy Loss in a Perfectly Inelastic Collision
Two objects with masses m₁ and m₂ collide and stick together. If the initial kinetic energies of the objects are K₁ and K₂, what fraction of the initial kinetic energy is lost in this perfectly inelastic collision?
A
0.5(m₁v₁² + m₂v₂²)
B
(m₁-m₂)²/(m₁+m₂)²
C
1 - (m₁m₂)/(m₁+m₂)²·(v₁-v₂)²/(v₁²/m₂+v₂²/m₁)
D
m₁m₂/(m₁+m₂)
Question Leaderboard
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