Physics

Problem

Two small balls are thrown towards each other from two vertical walls separated by

20\,\text{m}

. Ball

A

is thrown from height

5\,\text{m}

with horizontal velocity

10\,\text{m/s}

. Ball

B

is thrown from height

15\,\text{m}

with horizontal velocity

v_{B}

. Determine if they can collide during their flight. Explain your reasoning.