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Questions  

In two figures,

a
v1/v2=12
b
t1/t2=2
c
R1/R2=1
d
v1/v2=14

detailed solution

Correct option is A

v1=2gh; v2=2g4h t1=24hg; t2=2hg R1=v1t1 ; R2=v2t2

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