Physics

Problem

A ball is thrown vertically upward from ground level. It passes a balcony on the way up and again on the way down exactly

2.0\,\text{s}

later. Ignore air resistance and take

g = 10\,\text{m/s}^2

. What is the speed of the ball as it passes the balcony? a)

20\,\text{m/s}

5\,\text{m/s}

10\,\text{m/s}

15\,\text{m/s}