A water tank of height 10m, completely filled with water is placed on a level ground. It has two holes one at 3m and the other at 7m from its base. The water ejecting from
A
both the holes will fall at the same spot
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B
upper hole will fall farther than that from the lower hole
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C
upper hole will fall closer than that from the lower hole
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D
more information is required
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Solution
The correct option is A both the holes will fall at the same spot Velocity of water from hole A=v1=√2gh
Velocity of water from hole B =v2=√2g(H0−h)
Time for water to reach the ground from hole B =t1=√2(H0−h)/g
Time for water to reach the ground from hole A =t2=√2h/g
Range of the water from hole (A) R1=v1t1=2√h(H0−h)
Range of the water from hole (B) R2=v2t2=2√h(H0−h)