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Water from a tap emerges vertically down...

Water from a tap emerges vertically downwards with an initial spped of `1.0ms^-1`. The cross-sectional area of the tap is `10^-4m^2`. Assume that the pressure is constant throughout the stream of water, and that the flow is steady. The cross-sectional area of the stream 0.15 m below the tap is

A

`5.0xx10^(-4)m^(2)`

B

`1.0xx10^(-4)m^(2)`

C

`5.0xx10^(-5)m^(2)`

D

`2.0xx10^(-5)m^(2)`

Text Solution

Verified by Experts

The correct Answer is:
C
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Knowledge Check

  • Water from a tap emerges vertically downward with an initial speed of 3.0 m/s. The cross-sectional area of the tap is 10^(-4)m^2 . Assume that the pressure is constant throughout the stream of water and that the flow is steady. The cross-sectional area of the stream 2 m below the tap is:

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    `0.7 xx 10^(-5) m^(2)`
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    C
    `4.3 xx 10^(-5) m^(2)`
    D
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  • Water from a tap emerges vertically downwards with iitial velocity 4ms^(-1) . The cross-sectional area of the tap is A. The flow is steady and pressure is constant thorughout the stream of water. The distance h vertically below the tap, where the cross-sectional area of the stream becomes ((2)/(3))A is (g=10m//s^(2))

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    `V_(0)^(2)//2g`
    B
    `3V_(0)^(2)//2g`
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