Physics

Problem

A stone is projected vertically upward with speed

u = 12\,\text{m/s}

. Taking upward direction as positive, what is its acceleration

0.50\,\text{s}

after release? (Take

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

.) a)

0

+9.8\,\text{m/s}^2

-9.8\,\text{m/s}^2

-4.9\,\text{m/s}^2