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morpeh [17]
3 years ago
10

Three friends were kicking soccer balls at a neighborhood field. Three soccer balls were rolling across the field. The black soc

cer ball has less mass than the blue and orange balls, which have equal mass. All three soccer balls were kicked by one of the friends, but not all from the same direction. Use the information in the diagram to answer.
Which soccer ball(s) experienced the strongest force? How do you know?

A. All three soccer balls experienced the same force because they changed speed by the same amount.

B the orange soccer ball it has more mass and the fastest ending speed

c. the blue soccer ball it takes a stronger force to slow down a more massive object than to speed it up.

D the blue and orange soccer balls they have more mass than the black soccer ball changed speed by the same amount

Chemistry
2 answers:
viktelen [127]3 years ago
4 0

Answer:

the answer is d

Explanation:

BARSIC [14]3 years ago
3 0

Answer: d :The blue and orange soccer balls; they have more mass than the black soccer ball, but changed speed by the same amount.

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What coefficient should be used to make the following equation balanced? N2+O2--> _NO
IgorLugansk [536]
<h2>                  ║∧║······→Hello.←······║∧║</h2>

                                          Your answer should be:

                                                N2 + O2 → 2NO

<h2>····················································································</h2>

I hope this answered your question!

Thanks for spending time reading this :)

(<em>A brainliest would be appreciated!)</em>

⊕If this answer doesn't answer your question or you are displeased by it please tell me in the comments I would like to know. And if I can, I will remove it.⊕

<h2>Have a wonderful day</h2>
7 0
3 years ago
All of the following statements about different elements are true EXCEPT:a) barium is an alkali earth metalb) manganese is a tra
stich3 [128]

Answer:

  • The statement that is not true is: <u>c) Sulfur is considered a metalloid </u>

Explanation:

To answer this kind of questions your best tool is a periodic table.

The periodic table shows the <em>elements</em> ordered by increasing atomic number (number of protons), in an arragement of rows and columns. In such arrangement, the elements appear classified as metals, non-metals, and metaloids.

Roughly metals are on the left side of the table, nonmetals are on the right side, and metalloids are a reduced group that are in a kind of step ladder dividing the metals and nonmetals.

With that, you can follow this procedure for each of the answer choices:

<u><em>a) Barium is an alkali earth metal:</em></u>

TRUE. Barium, Ba, has atomic number 56, is in the column (group) number 2, which is the group of the alkali earth metals.

<u><em>b) Manganese is a transition metal:</em></u>

TRUE. Manganese, Mn, has atomic number 25 and is in the column 7. The columns 3 through 12 enclose the transition metals. So, manganese is a transition metal.

<u><em>c) Sulfur is considered a metalloid.</em></u>

FALSE. Sulfur, S, has atomic number 16, is in the column 16, (right below oxygen) and is classified as a nonmetal.

<u><em>d) Krypton is one of the noble gasses </em></u>

TRUE. Krypton, Kr, has atomic number 36, and is in the column 18. This column includes all the noble gases, which are elements whose valence shells are complete (2 electrons in the case of He and 8 electrons in all the other cases).

This group is named noble gases because the elements have very low reactivity, so they are almos inert.

<u><em>e) Iodine is a halogen</em></u>

TRUE. Iodine, I, is the element with atomic number 53, and is in the column 17. This column includes all the halogens (F, Cl, Br, I, At, and the most recently discovered Ts).

6 0
4 years ago
See the picture to answer the question
amid [387]
Above is a potential energy curve of a reaction. It depicts conversion of reactant to product via transition state.

When a catalyst is added to the reaction system, energy barrier of reaction decreases.

It must be noted that energy barrier reaction is defined as energy difference between  reactant and transition state.

In present case, energy of reactant is 200 kj, while that of transition state (in absence of catalyst) is 650 kj

Thus, energy barrier of reaction is 650 - 200 = 450 kj

<span>Hence, system must absorb 450 kj of energy for the reaction to start, if no catalyst was used</span>

4 0
3 years ago
What are 3 different forces that act on objects on the earth.
ANEK [815]
Applied force
Gravitational force
And Normal force
7 0
4 years ago
Cuales son las propiedades de la materia
lubasha [3.4K]

Answer:]

Las propiedades de la materia incluyen cualquier rasgo que se pueda medir, como la densidad, el color, la masa, el volumen, la longitud, la maleabilidad, el punto de fusión, la dureza, el olor, la temperatura y más de un objeto

6 0
3 years ago
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