Physics

Problem

t=4\,\text{s}

on a curved distance–time graph, a tangent passes through the points

(2\,\text{s},\,10\,\text{m})

and

(6\,\text{s},\,26\,\text{m})

. Determine the instantaneous speed of the body at

t=4\,\text{s}

. a)

8\,\text{m/s}

16\,\text{m/s}

4\,\text{m/s}

2\,\text{m/s}