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Two lumps of clay collide and stick together as one blob. This collision is:

AInternal
BInelastic
CInsulated
DInverted
Answer & Solution
Correct answer: B. Inelastic
1. Sticking together loses kinetic energy. 2. Momentum still holds but energy does not. 3. That case is an inelastic collision. _Source: OpenStax University Physics Volume 1, Chapter 9, Linear Momentum and Collisions._
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