Question

Two objects move separately after colliding, and both the total momentum and total kinetic energy remain constant. Identify the type of collision.
a
perfectly inelastic
b
perfectly elastic
c
elastic
d
inelastic

Answer 1

The scenario described, where both the total momentum and total kinetic energy remain constant after the collision, indicates that the collision is **perfectly elastic**.

In a perfectly elastic collision, both momentum and kinetic energy are conserved. Therefore, the correct answer is:

**b. perfectly elastic**