Question-
Question-​ , Hme_ S _lh¯e åtoo , OR (8)

Dear Student,

the graph is plotted from the instant when the second ball is dropped .
in t0 time the particle ball one travel a certain distance .
after that the the ball two is dropped now lets see the displacement fo the two ball till second ball hit the ground.

S'=gt0t+at2/2S''=at2/2s'-s''=gt0t+at2/2-at2/2=gt0tso the displacement between the ball with time is given by=gt0twhich is linear eqn so till the ball hit the ground the graph will be linear with the slope of gt0.after ball second come to rest after hitiing the ground then S' becomes constant .S' varies with square of time . the graph will be decreasing .from the given option D is most appropraiate .option DRegards
 

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correct option is D
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