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Naddika [18.5K]
3 years ago
10

Pluto has a shape that is nearly round,and it orbits the sun,it has five known moons.why is it called a dwarf planet and not a p

lanet?
Physics
1 answer:
s2008m [1.1K]3 years ago
8 0

There are three things needed to be classified as a planet.

Pluto meets 2 of the 3.

The one it does not meet is it doesn’t “clear the neighborhood” which means a planet needs to be gravitationally dominant over all objects around it. Meaning smaller bodies ( asteroids) would either combine with the larger body making it bigger or pushing them away ( out of their orbit) so they do not collide with the larger body.

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A car goes forward along a level road at constant velocity. The additional force needed to bring the car into equilibrium is
liraira [26]

Answer: Frictional force

Explanation:

Since the body is moving at constant velocity, this means that the acceleration of the body is zero. Frictional force is a force of opposition which tends to oppose the moving force of an object on a flat surface.

Mathematically, summation of force on the car along the road will be

Fm - Ff = ma

Fm = moving force

Ff = frictional force

m = mass of the body

a = acceleration of the body

Since a = 0, we have;

Fm -Ff = 0

Fm = Ff (which shows that the two forces acting on the body are equal and opposite)

This frictional force will tend to keep the body at equilibrium.

8 0
3 years ago
Hole filling fasteners (for example, MS20470 rivets) should not be used in composite structures primarily because of the?
DIA [1.3K]

Answer:

We can cause delamination.

Explanation:

The reason why is because the probability of causing delamination increase considerably when we use Hole-filling fasteners. If we use a typical rivet, these tends to expands in order to fill the hole.

If we analyze the force applied by the expanded rod will cause that the matrial will be deteriorated and will cause that the material to delaminate around the edges of the hole and we can cause possible control and no protection to the material.

7 0
3 years ago
2. Because it can take one year to form just a few centimeters of new soil, 3 points
Grace [21]

Answer:

False.

Explanation:

6 0
3 years ago
The surface or material that underlies a two-dimensional work of art is called the ____.
Paul [167]
The surface or material that underlies a two-dimensional work of art is called the support.
5 0
4 years ago
In your own words, explain why Mendeleev believed the data on this new element must have been wrong.
qwelly [4]
The rows of the table called periods had eight elements with atomic mass left to right it was a good model cause u can predict to know elements and properties hope this helped
7 0
3 years ago
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