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Harrizon [31]
3 years ago
9

*Brainliest if answered with in 5 min*

Physics
2 answers:
levacccp [35]3 years ago
8 0

Your answer is going to be 0 degrees Kelvin!

ICE Princess25 [194]3 years ago
6 0

This is really sneaky.  Of course it's going to be "Absolute Zero" ... the bottom of the Kelvin scale ... but what in the world is the difference between choice-C and choice-D ? ?

On the Kelvin scale, just to be different I guess, the unit of temperature is not called "the degree" Kelvin.  On that scale, the unit is called "the Kelvin", and the temperature is called 'so many' "Kelvins".

So the correct choice is <em>D ... "zero Kelvins".</em>

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A metal block has a density of 5000 kg per cubic meter and a mass of 15,000 kg. What is its volume?
Naily [24]

Taking into account the definition of density, the volume of the metal block is 3 m³.

<h3>What is density</h3>

Density is defined as the property that matter, whether solid, liquid or gas, has to compress into a given space.

In other words, density is a quantity that allows us to measure the amount of mass in a certain volume of a substance.

Then, the expression for the calculation of density is the quotient between the mass of a body and the volume it occupies:

density=\frac{mass}{volume}

From this expression it can be deduced that density is inversely proportional to volume: the smaller the volume occupied by a given mass, the higher the density.

<h3>Volume of the metal block</h3>

In this case, you know that:

  • Density= 5000 \frac{kg}{m^{3} }
  • Mass= 15000 kg
  • Volume= ?

Replacing in the definition of density:

5000 \frac{kg}{m^{3} } =\frac{15000 kg}{volume}

Solving:

volume×5000 \frac{kg}{m^{3} }= 15000 kg

volume= \frac{15000 kg}{5000 \frac{kg}{m^{3} }}

<u><em>volume= 3 m³</em></u>

In summary, the volume of the metal block is 3 m³.

Learn more about density:

brainly.com/question/952755

brainly.com/question/1462554

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4 0
2 years ago
The students on the right are applying a force of 100 N to the right. This is shown by the red arrow. The students on the left a
Artyom0805 [142]

Answer:

A

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suddenly part of the force pulling to the left is gone.

and now the force pulling to the right is stronger.

so, the rope will move to the right. and that is also the direction of the net force.

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Answer:

For the bird moving in a straight line, the kinetic energy is one-half the product of the mass and the square of the speed: Ek=12mu2.

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Mars2501 [29]
This can be seen through the fact that Aksionov has the ability to seek his own justice many times throughout the story, yet does not take it
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Deffense [45]

Answer:

Fx  = 4.92 [N]

Fy = 0.868 [N]

Explanation:

Let's take the 10 degrees as a measure from the horizontal component to the vector.

Thus taking the components in the X & y axes respectively:

Fx = 5*cos(10) = 4.92 [N]

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