A boy walks north from his house

PHYSICS · Single correct · A Level · Physics · Mechanics and materials · Mechanics and materials

Problem

A boy walks 25 m25\,\text{m} north from his house. Later, all positions are re-measured from a new origin located 10 m10\,\text{m} north of the house. Which of the following quantities will change due to this shift of origin? (a) Distance travelled only\text{Distance travelled only} (b) Displacement only\text{Displacement only} (c) Numerical values of the boysˊ positions\text{Numerical values of the boy\'s positions} (d) Both distance travelled and displacement\text{Both distance travelled and displacement}

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