From a tap 10m high, water drops fall at regular intervals. When the first drop reaches the ground, the 5th drop is about to leave the tap. Find the separation between 2nd and 3rd drops.
A
358m
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B
318m
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C
278m
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D
258m
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Solution
The correct option is D258m From the given situation, 12gt2=10 t=√2s
Time interval Δt=√24=12√2s
Now, x2−x3=12g⎡⎣(32√2)2−(22√2)2⎤⎦ x2−x3=258m