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3 years ago

5

Electrical shock is more likely to be fatal when the path of current is through the

1 answer:

skad [1K]3 years ago

4 0

Electrical shock is most likely to be fatal when the path of the current is through the heart.

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What are the properties of glass in relation to microscopy?

Alekssandra [29.7K]

Answer:

<h3>Following are the properties and characteristics of the glass.</h3>

<h3>Hardness and Brittleness. It is a hard material as it has great impact resistance against applied load.</h3>

Weather Resistance.
Insulation.
Chemical Resistance.
Colour and Shape Varieties.
Transparency.
Fire Resistant Glazing.
Property Modification.

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2 years ago

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The rhythmic note that has three beats is called a ________ half note.

larisa86 [58]

It is called a dotted half note.

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3 years ago

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Oppositely charged objects attract each other. This attraction holds electrons in atoms and holds atoms to one another in many c

GalinKa [24]

Answer and Explanation:

This can be explained as in Rutherford's model of atom the electrons orbits the nucleus which means that they will travel around the nucleus with some velocity and hence radiate electromagnetic waves which results in the loss of energy due to which the electron keeps coming closer and eventually falls into the nucleus.

But Bohr came up with a better explanation as according to the Bohr's atomic model, electrons stay fixed in orbit with certain energy in different shells around the nucleus and can only jump from an energy level to another if that specific amount of energy is supplied to it.

This model is based on the quantization of energy thus giving an explanation why electrons do not fall into the nucleus of an atom.

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3 years ago

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)If a force of 5.00 N is needed to open a 90.0 cm wide door when applied at the edge opposite the hinges, what force must be app

masha68 [24]

Answer:

A force of 12.857 newtons must be applied to open the door.

Explanation:

In this case, a force is exerted on the door, a moment is performed and the door is opened. If moment remains constant, the force is inversely proportional to distance respect to axis of rotation passing through hinges. That is:

$F \propto \frac{1}{r}$

$F = \frac{k}{r}$ (Eq. 1)

Where:

$F$ - Force, measured in newtons.

$k$ - Proportionality ratio, measured in newton-meters.

$r$ - Distance respect to axis of rotation passing through hinges, measured in meters.

From (Eq. 1) we get the following relationship and clear the final force within:

$F_{A}\cdot r_{A} = F_{B}\cdot r_{B}$

$F_{B}=\left(\frac{r_{A}}{r_{B}} \right)\cdot F_{A}$ (Eq. 2)

Where:

$F_{A}$ , $F_{B}$ - Initial and final forces, measured in newtons.

$r_{A}$ , $r_{B}$ - Initial and final distances, measured in meters.

If we know that $F_{A} = 5\,N$ , $r_{A} = 0.9\,m$ and $r_{B} = 0.35\,m$ , then final force is:

$F_{B}= \left(\frac{0.9\,m}{0.35\,m} \right)\cdot (5\,N)$

$F_{B} = 12.857\,N$

A force of 12.857 newtons must be applied to open the door.

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3 years ago

What is temperature?

FromTheMoon [43]

Answer:

B a measure of the amount of matter in an object

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3 years ago