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shutvik [7]
2 years ago
15

in a standing sound wave in a pipe, nodes are regions of ... what. could someone help? thanks so much ;)

Physics
1 answer:
GalinKa [24]2 years ago
5 0

Answer:

In a standing sound wave in a pipe, nodes are regions of mean atmosphere pressure and low displacement.

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When you go on a hunting trip, you should leave a hunting plan with someone you trust. What information should the plan include?
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You should put when you will leave, where you will be, and what time you will get back. 
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skateboarder, starting from rest, rolls down a 13.5 m ramp. When she arrives at the bottom of the ramp her speed is 7.37 m/s. If
scZoUnD [109]

Answer:

1.7 m/s²

Explanation:

d = length of the ramp = 13.5 m

v₀ = initial speed of the skateboarder = 0 m/s

v = final speed of the skateboarder = 7.37 m/s

a = acceleration

Using the equation

v² = v₀² + 2 a d

7.37² = 0² + 2 a (13.5)

a = 2.01 m/s²

θ = angle of the incline relative to ground = 29.9

a' = Component of acceleration parallel to the ground

Component of acceleration parallel to the ground is given as

a' = a Cosθ

a' = 2.01 Cos29.9

a' = 1.7 m/s²

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3 years ago
Which statement describes a scientific law
Olegator [25]

The Earth is a sphere is a statement to describe a scientific law

8 0
2 years ago
Glycerin at a temperature of 30 degrees celcius flows at a rate of 8×10−6m3/sthrougha horizontal tube with a 30mmdiameter. what
marusya05 [52]

The pressure drop in pascal is 3.824*10^4 Pascals.

To find the answer, we need to know about the Poiseuille's formula.

<h3>How to find the pressure drop in pascal?</h3>
  • We have the Poiseuille's formula,

                     Q=\frac{\pi r^4P}{8\beta l}

  • where, Q is the rate of flow, P is the pressure drop, r is the radius of the pipe, is the coefficient of viscosity (0.95Pas-s for Glycerin) and l being the length of the tube.
  • By substituting values and rearranging we will get the pressure drop as,

                  P=3.284Pascals

Thus, we can conclude that, the pressure drop in pascal is 3.824*10^4.

Learn more about the Poiseuille's formula here:

brainly.com/question/13180459

#SPJ4

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1 year ago
Select the correct answer. Which of the following is true for balancing equations? A. There must be an equal number of atoms of
Sliva [168]
I think it’s B I could be wrong but I tried lol
8 0
2 years ago
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