Answer:
For 1st stone, given initial velocity
Let height attained by it be .
From third equation of motion, for
upward motion [Here, we have used negative sign, because as given upward
acceleration is taken to be ?q At the highest point the velocity becomes zero i.e.,
v = 0
Similarly,
For 2nd stone, given initial velocity,
Let the height attained by it be .
From third equation of motion, [at
the highest point the velocity becomes zero i.e., v = 0]
Now, ratio of heights reached by the two stones
Hence
proved
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