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3 years ago

State pascal is law.please answer me

Physics

1 answer:

Angelina_Jolie [31]3 years ago

5 0

Answer:

Pascal's law says that pressure applied to an enclosed fluid will be transmitted without a change in magnitude to every point of the fluid and to the walls of the container. The pressure at any point in the fluid is equal in all directions

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A cyclist covers the first part of her journey

dezoksy [38]

Answer:

11 meters per second.

Explanation:

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3 years ago

Water from a fire hose is directed horizontally against a wall at a rate of 69.4 kg/s and a speed of 19.6 m/s. Calculate the mag

Gnoma [55]

Answer:

Force, |F| = 1360.24 N

Explanation:

It is given that,

Water from a fire hose is directed horizontally against a wall at a rate of 69.4 kg/s, $\dfrac{m}{t}=69.4\ kg/s$

Initial speed of the water, u = 19.6 m/s

Finally water comes to stop, v = 0

To find,

The magnitude of the force exerted on the wall.

Solution,

Let F is the force exerted on the wall. The product of mass and acceleration is called the force exerted. Using second law of motion to find it as :

$F=m\dfrac{v-u}{t}$

$F=\dfrac{-mu}{t}$

$F=-69.4\ kg/s\times 19.6\ m/s$

|F| = 1360.24 N

So, the magnitude of the force exerted on the wall is 1360.24 N.

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3 years ago

Land, labor, and capital are examples of...

Dmitriy789 [7]

Answer:

The factors of production are resources that are the building blocks of the economy; they are what people use to produce goods and services. Economists divide the factors of production into four categories: land, labor, capital, and entrepreneurship

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3 years ago

Two large, parallel, nonconducting sheets of positive charge face each other. What is at points (a) to the left of the sheets, (

alexira [117]

Answer:

a)The electric Field will be zero at the point between the sheets

b) $E_1=\dfrac{\sigma}{\epsilon_0}$

c) $E_2=\dfrac{\sigma}{\epsilon_0}$

Explanation:

Let $\sigma$ be the surface charge density of the of the non conducting parallel sheet.Let consider a Gaussian surface in the form of of cylinder such that its cross-sectional is A . Then there will be flux only due to cross sectional area as the curved sectional is perpendicular to the the electric field so the Electric Flux due to it is zero.