Physics

Problem

A ball is thrown over the head of a person standing

10\,\text{m}

from the thrower. The ball is thrown with

u = 40\,\text{m/s}

45^{\circ}

. The person immediately runs *away* from the thrower to catch the ball. Determine the average velocity required. (Take

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

)