Physics

Physics

Problem

A runner starts a sprint at

10\,\text{m/s}

and, moving with uniform acceleration, covers

80\,\text{m}

in

4\,\text{s}

. Calculate his speed at the end of the

4\,\text{s}

. a)

20\,\text{m/s}

b)

10\,\text{m/s}

c)

30\,\text{m/s}

d)

40\,\text{m/s}

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