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sergij07 [2.7K]

2 years ago

14

কে প্রথম Anti particle এর অস্তিত্ব ঘোষণা করেন?

2 answers:

const2013 [10]2 years ago

8 0

Answer:

Is this a joke? Because if ur on brainly for english users you should change that

Explanation:

vaieri [72.5K]2 years ago

7 0

Answer:

Who first announced the existence of Anti particle?

কে প্রথম Anti particle এর অস্তিত্ব ঘোষণা করেন?

Explanation:

Anderson briefly announced in Science [1] his discovery of “easily deflectable positives,” following up with a full paper in the Physical Review that carefully analyzed the balance between the particles' mass and speed and their energy loss along the tracks.

অ্যান্ডারসন বিজ্ঞানে সংক্ষিপ্তভাবে ঘোষণা করেছিলেন [1] শারীরিক পর্যালোচনায় একটি সম্পূর্ণ কাগজ যা "কণাগুলির ভর এবং গতি এবং ট্র্যাকগুলির সাথে তাদের শক্তি হ্রাসের মধ্যে ভারসাম্যটি সতর্কতার সাথে বিশ্লেষণ করেছিল তার একটি সম্পূর্ণ কাগজ সহ।

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Answer:

The relationship is only between the coefficients A, E and J which is:

$A + E + J = 0$ . The remaining coefficients can be anything without any constraints.

Explanation:

Given:

The three components of velocity is a velocity field are given as:

$u = Ax + By + Cz\\\\v = Dx + Ey + Fz\\\\w = Gx + Hy + Jz$

The fluid is incompressible.

We know that, for an incompressible fluid flow, the sum of the partial derivatives of each component relative to its direction is always 0. Therefore,

$\frac{\partial u}{\partial x}+\frac{\partial v}{\partial y}+\frac{\partial w}{\partial z}=0$

Now, let us find the partial derivative of each component.

$\frac{\partial u}{\partial x}=\frac{\partial }{\partial x}(Ax+By+Cz)\\\\\frac{\partial u}{\partial x}=A+0+0=A\\\\\frac{\partial v}{\partial y}=\frac{\partial }{\partial y}(Dx+Ey+Fz)\\\\\frac{\partial v}{\partial y}=0+E+0=E\\\\\frac{\partial w}{\partial z}=\frac{\partial }{\partial z}(Gx+Hy+Jz)\\\\\frac{\partial w}{\partial z}=0+0+J=J$

Hence, the relationship between the coefficients is:

$A+E+J=0$

There is no such constraints on other coefficients. So, we can choose any value for the remaining coefficients B, C, D, F, G and H.

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