Respuesta :
Observe whether the colliding objects change their shape.
When observing a collision, we observe whether the colliding objects change their shape to see whether the collision is inelastic.
What is an inelastic collision?
An inelastic collision is one in which the kinetic energy is lost. In an inelastic collision, the system's momentum is conserved, but its kinetic energy is not.
Which way does an elastic collision occur?
- Solution: (i) An inelastic collision occurs when the total initial kinetic energy of the bodies prior to the collision does not equal the total final kinetic energy of the bodies following the collision.
- Momentum is retained in (ii). In an inelastic collision, kinetic energy is not conserved.
What are two instances of collisions that are completely inelastic?
- When two objects move as one mass after colliding, this is known as a perfectly inelastic collision.
- Examples: hitting a target board with an arrow. a meteor getting buried in the cracks of the Earth. The two items have united.
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