A trolley is moving due east at

PHYSICS · Single correct · CBSE · Physics · Motion in a Plane · Motion in a Plane

Problem

A 1.5 kg1.5\,\text{kg} trolley is moving due east at 10 m/s10\,\text{m/s}. After turning a corner it moves due south at 6 m/s6\,\text{m/s}. Calculate the magnitude of the change in momentum of the trolley. (a) 6  kg⋅m/s6\;\text{kg}\cdot\text{m/s} (b) 24  kg⋅m/s24\;\text{kg}\cdot\text{m/s} (c) 17.5  kg⋅m/s17.5\;\text{kg}\cdot\text{m/s} (d) 15  kg⋅m/s15\;\text{kg}\cdot\text{m/s}

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