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Some milk drops fall at regular intervals from a leakage in vessel 20m above the ground. The first drop strikes the ground when fourth drop is leaving the leakage. Find the height of second drop from the ground.



28-May-2017 12:36 AM
~2

Answers (1)


1

Let the regular time interval be t. 

Therefore the first drop reaches the ground at 3t. 

Now use equation s=ut+1/2at²

We get t=2/3

At last again use the same to find the distance travelled by the second drop. 

U will get 80/9

So the answer =100/9



02-06-2017 22:21
~16

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