Momentum (p) is defined as the product of mass (m) and velocity (v): \( p = m \times v \).
For ball A:
\( p_A = 1.0 \, \text{kg} \times 9.0 \, \text{m/s} = 9.0 \, \text{kg} \cdot \text{m/s} \).
For ball B:
\( p_B = 1.2 \, \text{kg} \times 8.5 \, \text{m/s} =
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