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pashok25 [27]
3 years ago
15

A center-seeking force related to acceleration is _______ force.

Physics
1 answer:
Gennadij [26K]3 years ago
4 0
<span>A center-seeking force related to acceleration is centripetal force. The answer is letter A. The rest of the choices do not answer the question above.</span>
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A Venturi tube may be used as a fluid flowmeter. Suppose the device is used at a service station to measure the flow rate of gas
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Answer

given,

flow rate = p = 660 kg/m³

outer radius = 2.8 cm

P₁ - P₂ = 1.20 k Pa

inlet radius = 1.40 cm

using continuity equation

 A₁ v₁ = A₂ v₂

 π r₁² v₁ = π r₁² v₂

 v_1= \dfrac{r_1^2}{r_2^2} v_2

 v_1= \dfrac{1.4^2}{2.8^2} v_2

 v_1= 0.25 v_2

Applying Bernoulli's equation

 \Delta P = \dfrac{1}{2}\rho (v_2^2-v_1^2)

 \Delta P = \dfrac{1}{2}\rho (v_2^2-(0.25 v_2)^2)

 \Delta P = \dfrac{1}{2}\rho v_2^2 (1 - 0.0625)

 v_2=\sqrt{\dfrac{2\Delta P}{\rho(1 - 0.0625)}}

 v_2=\sqrt{\dfrac{2\times 1200}{660 \times(1 - 0.0625)}}

       v₂ = 1.97 m/s

b) fluid flow rate

Q = A₂ V₂

Q = π (0.014)²  x 1.97

Q = 1.21 x 10⁻³ m³/s

5 0
3 years ago
A student lifts a box of books 2 meters with a force of 45 N. He then carries the box 10 meters to the living room. What is the
Alisiya [41]

Answer:

90J

Explanation:

The only time work is being done is when he lifts the box off the ground. Therefore, using the work formula, 2 x 45, you get 90J. Hope this helps someone.

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3 years ago
Calculate the upthrust aciting on a body if its
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hope u will get the answer:)

Explanation:

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Marshall determines that a gas has a gage pressure of 276 kPa whats the absolute pressure of this gas
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The right answer for the question that is being asked and shown above is that: "<span>B: 156 kPa ." </span>Marshall determines that a gas has a gage pressure of 276 kPa whats the absolute pressure of this gas <span>B: 156 kPa </span>
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3 years ago
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A group of atoms with aligned magnetic poles are known as which of the following?
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