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3 years ago

12

Suppose the acceleration of the particle moving gin a circle of radius "r" with the uniform speed "v" is proportional to some po

wer of "r , say and some power of "v" say "". Determine the powers of "r" and "v".

1 answer:

garik1379 [7]3 years ago

5 0

So i say the power or the radius cortex in my equinox when i look at this V is the determination of V

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A uniformly charged rod (length = 2.0 m, charge per unit length = 3.0 nC/m) is bent to form a semicircle. What is the magnitude

Yuki888 [10]

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The correct option is b. 85 N/C

Explanation:

Please see the attachments below

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3 years ago

In an incompressible three-dimensional flow field, the velocity components are given by u = ax + byz; υ = cy + dxz. Determine th

Ksivusya [100]

An incompressible flow field F in a 3D cartesian grid with components u,v,w:

F = u + v + w

where u,v,w are functions of x,y,z

Must satisfy:

∇·F = du/dx + dv/dy + dw/dz = 0

We have a field F defined:

F = u+v+w, u = ax+byz, v = cy+dxz

du/dx = a, dv/dy = c

Recall ∇·F = 0:

∇·F = du/dx + dv/dy + dw/dz = 0

a + c + dw/dz = 0

dw/dz = -a-c

Solve for w by separation of variables:

w = ∫(-a-c)dz

w = -az - cz + f(x,y)

f(x,y) is some undetermined function of x and y

The question states that w is not a function of x and y, therefore f(x,y) = 0...

w = -az - cz

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3 years ago

Please help this is due in an hour!!!!!

belka [17]

Answer:

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3. Momentum is the product of a moving object's mass and velocity. When two objects collide the total momentum before the collision is equal to the total momentum after the collision

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3 years ago