Question

Drops of water from the roof of a house are falling at regular intervals of one second. find the

position of third, fourth and fifth drop when 6th drop is just falling from the roof.​

Answer 1

Let the time interval between falling two drops from the roof be t seconds.

Then 4th drop falls after 3t seconds of falling of first drop

$</p><p>=3tsec \: H= 21 \\ </p><p> gt 29= 21</p><p> g9t 2g18 </p><p> =9t 2 \: ;t= g2</p><p> </p><p>t= \: 102 \: = \: 51 \\ </p><p>H= \: 21g 51</p><p> </p><p> =1m \: o r \: H= \: 21 g(t) 2 \\ </p><p>Distance \: of \: 3rd \: drop \: from \: the \: roof \: \\ </p><p>H= \: 21 g 54 \\ </p><p> </p><p> or H= \: 21 g(2t) \: 2 \\ </p><p> </p><p>=4m$