Two identical hockey pucks

PHYSICS · Single correct · CBSE · Physics · System of Particles and Rotational Motion · System of Particles and Rotational Motion

Problem

Two identical hockey pucks, each of mass 0.16 kg0.16\,\text{kg}, slide on nearly frictionless ice. One puck moves due east at 3.0 m/s3.0\,\text{m/s} while the other moves due west at the same speed. Which of the following gives the total linear momentum of the two-puck system just before they meet? (a) 0.48 kg⋅m/s0.48\,\text{kg}\cdot\text{m/s} east (b) 0 kg⋅m/s0\,\text{kg}\cdot\text{m/s} (c) 0.96 kg⋅m/s0.96\,\text{kg}\cdot\text{m/s} east (d) 0.48 kg⋅m/s0.48\,\text{kg}\cdot\text{m/s} west

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