It first should give the steps like:
To create a simple physics simulation in HTML and JavaScript using canvas element and other details you've provided, follow these steps:
1. Create 2 files:
a. index.html
b. app.js

Start with index.html, for example:
<CODE>

app.js:
<CODE>

This code creates a canvas element, sets up the constants and variables, and defines functions to handle drawing individual balls, updating all the positions, moving the balls based on their angles and gravity, and rotating the balls. It also has a function addBall which adds a new ball to the array every 50ms. You can adjust these intervals or any other variable to suit your needs.
Please note this is just one way to implement it and there are many ways to achieve the same result.
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