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Lemniscate

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## Homework Statement

A small dense ball with mass 1.5 kg is thrown with initial velocity <5,8,0> m/s at time t= 0 from the origin (<0,0,0> m) Air resistance is negligible.

When the ball reaches its maximum height, what is its velocity?

## Homework Equations

Momentum Principle

Average Velocity

## The Attempt at a Solution

Though I have an idea of how to approach some of the questions regarding this problem, I have not been able to understand the following:

How do I know what the maximum height the ball reached is?