A body starts from rest and attains a velocity of in while falling freely

PHYSICS · Single correct · A Level · Physics · Mechanics and materials · Mechanics and materials

Problem

A body starts from rest and attains a velocity of

30\,\text{m/s}

3\,\text{s}

while falling freely. Using the area under the velocity–time graph, the displacement covered in these

3\,\text{s}

is (a)

90\,\text{m}

(b)

45\,\text{m}

(c)

60\,\text{m}

(d)

135\,\text{m}