A runner starts a sprint at and

PHYSICS · Single correct · CBSE · Physics · Motion · Motion

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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