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3 years ago

Where are the metals located on the periodic table

1 answer:

7 0

The periodic table on the left separates elements into three groups: the metals (green in the table), nonmetals (orange), and metalloids (blue). Most elements are metals. They are usually shiny, very dense, and only melt at high temperatures.

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A 0.080Kg robin, perched on a power line 6 m above the ground , swoops down to snatch a worm from the ground and then returns to

raketka [301]

If the initial PE is mgh(initial) and the final PE is mgh(final) then mgh(initial)-mgh(final) should give you your change in PE.
So, without conversions your answer should be
[(.08)(9.8)(8)]-[(.08)(9.8)(6)]=change in PE which is 1.568Joules.

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3 years ago

What is haudralic pressure

Neko [114]

Answer:

Hydraulic pressure is the pressure of hydraulic fluid which it exerts in all direction of vessel,hose or anything in which it is supposed to exert the force per unit area. This pressure is responsible to create a flow in a hydraulic system as fluid flows from high pressure to low pressure . Thus energy is transferred in a hydraulic system through a fluid medium.

Explanation:

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3 years ago

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Look at the circuit diagram. Which of these components is part of the circuit?

tangare [24]

I think the answer is c AC power source
Hope this help you?

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3 years ago

A 26 cm object is 18 cm in front of a plane mirror. A ray of light strikes the object and is reflected off the mirror at a 42-de

natita [175]

The angle of reflection is the angle between the reflected ray and the normal.
In this case the angle of reflection is 42 degrees

Characteristics of images formed in a plane mirror include
The image is upright
The image is virtual
the image is the same size as the object
The image is at the same distance from the mirror as the object
The image is formed behind the mirror

A plane mirror forms an image which is the same size as the object
Therefore since the object is 26 cm long , the image would still be 26 cm.

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3 years ago

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1. Driving at slower speeds than traffic flow _____________ .

r-ruslan [8.4K]

The correct option is (D). The strength of electric field depends on the amount of charge that produces the field as well as the distance from the charge.

Further Explanation:

The electric field intensity at a point is the measure of the force exerted by a charge particle on another charge particle in the particular area of its strength.

The electric field intensity at a distance $d$ due to a static charge having charge $q$ is directly proportional to the amount of charge and inversely proportional to the square of the distance between them.

The Electric field intensity due to a charge is given as:

$E = \dfrac{1}{{4\pi {\varepsilon _0}}}\frac{q}{{{r^2}}}$

Here, $E$ is the electric field intensity, $q$ is the amount of charge and $r$ is the distance of the charge from the point.

The above expression of electric field shows that the electric field intensity at a point depends on the amount of charge as well as the distance of the point from the charge.

Thus, the correct option is (D). The strength of electric field depends on the amount of charge that produces the field as well as the distance from the charge.

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Answer Details:

Grade: Senior school

Subject: Physics

Chapter: Electrostatics

Keywords: Strength, electric field, charge, distance, electric field intensity, magnitude of charge, electrostatic, test charge, kq/r^2.

7 0

4 years ago

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