On a straight road, east is positive. A lorry moves at +25 m/s and a cyclist at -10 m/s. What velocity does the cyclist have as seen from the lorry?

PhysicsMediumHigh School (11–12)Mechanics › Relative Motion

On a straight road, east is positive. A lorry moves at $+25\ \text{m/s}$ and a cyclist at $-10\ \text{m/s}$ . What velocity does the cyclist have as seen from the lorry?

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