Physics

Problem

A basketball is thrown straight upward from ground level with an initial speed of

15\,\text{m/s}

. Ignore air resistance and use

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

. How much time after launch does the ball first reach a height of

5.0\,\text{m}

above its launch point? a)

0.50\,\text{s}

1.5\,\text{s}

0.38\,\text{s}

2.6\,\text{s}