A body moves along a straight line from to in

PHYSICS · Numerical · A Level · Physics · Mechanics and materials · Mechanics and materials

Problem

A body moves along a straight line from

x=0\ \text{m}

to

x=80\ \text{m}

in

10\ \text{s}

, then returns to

x=20\ \text{m}

in the next

10\ \text{s}

. Find the average velocity over

20\ \text{s}

.

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