Physics

Problem

A hiker starts from point O and follows these consecutive displacements: (i)

800\,\text{m}

east in

10\,\text{min}

, (ii)

600\,\text{m}

north in

8\,\text{min}

, (iii)

400\,\text{m}

west in

6\,\text{min}

, (iv)

500\,\text{m}

towards south-east (at

45^{\circ}

to both axes) in

7\,\text{min}

. a. (a) Determine the net displacement of the hiker from point O. b. (b) Hence calculate the magnitude and direction of the average velocity for the entire journey.

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