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If you can produce a minimum gauge press...

If you can produce a minimum gauge pressure of `-2.5 xx 10^(-3)` atm in your lungs, to what maximum height can you suck tea (density 1000 kg/`m^(3)` ) up a straw?

Text Solution

AI Generated Solution

To solve the problem of how high you can suck tea up a straw given a minimum gauge pressure of `-2.5 x 10^(-3)` atm, we can follow these steps: ### Step-by-step Solution: 1. **Convert Gauge Pressure to Pascals**: The gauge pressure is given in atmospheres. To convert it to Pascals, we use the conversion factor where 1 atm = 101325 Pa. Therefore: \[ P = -2.5 \times 10^{-3} \text{ atm} \times 101325 \text{ Pa/atm} ...
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Knowledge Check

  • At What velocity does water emerge from an orifice in a tank in which gauge pressure is 3 xx 10^(5) Nm^(-2) before the flow starts ? (Take the density of water =1000 kg m^(-3) .)

    A
    `24.5 m s^(-1)`
    B
    `14.5 m s^(-1)`
    C
    `34.5 m s^(-1)`
    D
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  • The engine of a motoecycle can produce a maximum acceleration of 5 m//s^(2) . Its brakes can produce a maximum retardation of 10 m//s^(2) . What is the minimum time in which the motorcycle can cover a distance of 1.5 km ?

    A
    (1)`30s`
    B
    (2)`15 s`
    C
    (3)`10 s`
    D
    (4)`5 s`
  • Engine of a car can produce a maximum acceleration 2 m//s^(2) and its brakes can produce a maximum retardation 3 m//s^(2) . Minimum time in which the car can travel a distance 6 km is:

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    B
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