Question

In a two-dimensional oblique collision, how many unknowns must be determined after collision?

Options

• 2 unknowns

• 3 unknowns

• 4 unknowns

• 5 unknowns

Answer 1

4 unknowns

Explanation:

The four unknowns are: v₁ (final velocity of object 1), v₂ (final velocity of object 2), β₁ (angle of reflection of object 1), and β₂ (angle of reflection of object 2).