A stone is dropped from the top of a tower of height 
. After 1 second another stone is
dropped from the balcony 20 m below the top. Both reach the bottom simultaneously. What is the value of 
?
Text Solution
Verified by ExpertsThe correct answer is:
A
For 
ball,
… (i)
For 
ball,
From the equations (i) and (ii) we get
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