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Home / Doubts and Solutions/JEE/Physics

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Asked by venkat 25th December 2017, 9:05 PM
Answered by Expert
Answer:
L e t space t h e space p a r t i c l e space b e space d r o p p e d space f r o m space t h e space t o p space o f space a space b u i d l i n g w h e n space t h e y space m e e t space a t space a space p o i n t space t h e i r space v e l c o i t y space s h o u l d space b e space s a m e l e t space V 1 equals V 2 equals V f o r space p a r t i c l e space 1 space v 1 equals space g t f o r space p r a t i c l e space 2 V 2 equals u minus g t g t equals u minus g t u equals 2 g t t equals fraction numerator u over denominator 2 g end fraction d i s tan c e space t r a v e l l e d space b y space p a r t i c l e space 1 S 1 equals space u t space minus space 1 divided by 2 g t squared equals u space left parenthesis fraction numerator u over denominator 2 g end fraction right parenthesis space space minus space 1 half space g space left parenthesis fraction numerator u over denominator 2 g end fraction right parenthesis squared equals 3 over 8 u squared over g D i s tan c e space t r a v e l l e d space b y space p a r t i c l e space 2 S 2 equals 1 half space g space left parenthesis fraction numerator u over denominator 2 g end fraction right parenthesis squared space equals space 1 over 8 u squared over g fraction numerator S 1 over denominator S 2 end fraction equals 3 over 1
Answered by Expert 27th December 2017, 5:16 PM
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