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3 years ago

What is the meaning of Yesn't my dank buddies?

Physics

2 answers:

Nana76 [90]3 years ago

4 0

Answer:

‘No’ or ‘don’t’ or ‘isn’t’

Explanation:

Scallops

Bad White [126]3 years ago

4 0

Answer:

Explanation:

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For free convection from a surface to the ambient fluid, an increase in Grashof number

Kipish [7]

Answer: Option(d) is the correct option

Explanation:

Grashof number (Gr) is the ratio that is between buoyant force to viscous force persist on fluid on layer of velocity boundary.It is in dimensionless form.

According to the question ,

Laminar flow has $10^{3}$ < (Gr) < $10^{6}$ as range of boundary layer for free convection.

For transition to take place into turbulent form, it has range of $10^{8} < Gr < 10^{9}$ in terms of free convection.

So, if Grashof number (Gr) is increased then it might tend to change flow from laminar form into turbulent form for free convection.

Other options are incorrect because increasing in Grashof number does not always change the flow mechanism from laminar to turbulent or vice versa neither may cause to laminar flow. Therefore, the correct option is option(d).

4 0

3 years ago

In which type of circuit does charge move in only one direction?

creativ13 [48]

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7 0

3 years ago

Me izz in canada hehe Xd just in 2 mins wow what is immunization?

Kruka [31]

Answer:

Immunization, or immunisation, is the process by which an individual's immune system becomes fortified against an infectious agent.

Explanation:

HOPE IT HELPS 

HAVE A NICE DAY :) 

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3 years ago

An object oscillates with an angular frequency of 8.0 rad/s. At t = 0, the object is at x0 = 4 cm with an initial velocity v0 =

KatRina [158]

Answer:

$\phi = 0.66 rad$

$A = 5.06 cm$

Explanation:

We have here a simple harmonic motion, so the equation of the position in this motion is:

$x(t)=Acos(\omega t+\phi)$ (1)

A: Amplitude

ω: angular frequency

φ: phase constant

If we take the derivative of x with respect to t from (1), we can find the velocity equation of this motion:

$v(t)=\frac{dx(t)}{dt}=-A\omega sin(\omega t+\phi)$ (2)

Let's evaluate (1) and (2) in t=0.

$x(0)=Acos(\phi)$ (3)

$v(0)=-A\omega sin(\phi)$ (4)

Dividing 4 by 3 we have:

$\frac{v(0)}{x(0)}=-\omega tan(\phi)$

$\phi = tan^{-1}(\frac{-v(0)}{\omega x(0)})$

$\phi = 0.66 rad$

Now, using (3) we can find the amplitude.

$A = \frac{x(0)}{cos(\phi)} = 5.06 cm$

I hope it helps!

6 0

4 years ago

Three identical resistors are connected in parallel to a battery. If the current of 12. A flows from the battery, how much curre

Doss [256]

Answer:

4 A

Explanation:

We are given that

$R_1=R_2=R_3=4\Omega$

I=12 A

We have to find the current flowing through each resistor.

We know that in parallel combination current flowing through different resistors are different and potential difference across each resistor is same.

Formula :

$\frac{1}{R}=\frac{1}{R_1}+\frac{1}{R_2}+\frac{1}{R_3}$