Physics

Problem

An object thrown vertically upward comes momentarily to rest

1.5\,\text{s}

after it is released. Take

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

. The initial speed of the object was closest to: a)

15\,\text{m/s}

19.6\,\text{m/s}

14.7\,\text{m/s}

9.8\,\text{m/s}