A stone is projected vertically upward with initial speed

PHYSICS · Single correct · CBSE · Physics · Gravitation · Gravitation

Problem

20\,\text{m/s}

. After how much time will it be

15\,\text{m}

above the point of projection while it is still rising? (Take

g = 9.8\,\text{m/s}^{2}

.) (a)

0.75\,\text{s}

(b)

3.1\,\text{s}

(c)

1.0\,\text{s}

(d)

2.0\,\text{s}