Question

af 2 particles moving in a same direction with
same speed what is the relative velocity of each
о other​

Answer 1

Explanation:

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$\documentclass{} </p><p>\begin{document} </p><p>\bf {This is Our First Document. }</p><p>\end{document}$

$\documentclass{} </p><p>\begin{document} </p><p>\bf {Date. }</p><p>\end{document}$

$\documentclass{} </p><p>\begin{document} </p><p>\bf {Body }</p><p>\end{document}$

$\documentclass{} </p><p>\begin{document} </p><p>\bf {Solution }</p><p>\end{document}$

$\documentclass{} </p><p>\begin{document} </p><p>\bf {signature }</p><p>\end{document}$

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To draw lines use \line(,){}

Here , the brackets "(,)"

First "(," here this is first point that means , your line starts from here & end at other bracket ",)" . Second brackets {} in this you have to type length Example :- 2cm ..

Totall your command is \put(3,0){\line(3,0){2cm}}

Total code :-

Examples. :-

You can use this code this is a code of drawing a square

$\setlength{\unitlength}{2mm}\begin{picture}(0,0)\put(0,0)\line(0,0){\line(0,3)(1.5}}{\line(0,3){1.5cm}}\put(0,0){\line(3,0){1.5cm}}\put(7.5,0){\line(0,3){1.5cm}}\put(0,7.5){\line(3,0){1.5cm}}\end{picture}$