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3 years ago

The combination of units written kg·m/s2 can be used for which of the following?

2 answers:

7 0

C. force because the force able to communicate to a mass of one kilogram an accerelation of 1m/s²
Kg.m
F= -------------
S²

shusha [124]3 years ago

5 0

Force = (mass) (acceleration) = (kg) (m/s^2)

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Calculate the average weight of the dogs listed in the chart below.

pishuonlain [190]

Answer:

Explanation:

Once you add all the weights together, you end up with 114 then you divide it by how many dogs there are, 6. 114/6 = 19. The average is 19 lbs.

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3 years ago

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2 years ago

Why does permeable rock weather more than less permeable rock

Dafna11 [192]

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3 years ago

Read 2 more answers

Compare the sizes and directions of the arrows in each picture representing forces acting on the person. Which of the following

expeople1 [14]

Answer:

A, is a girl balancing on her hands, a red arrow is pointing up and is the same length as an arrow pointing down.

Explanation:

vvEven she was still on her feet the force thats pulling her down is gravity and when you have figure the force that makes it easier so when the 2 arrows are the same size that means the force is balenced

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2 years ago

A 10 gram sample of iron reacts with oxygen to form 18.2 grams of ferric oxide. How many grams of oxygen reacted?

RoseWind [281]

Answer:

$\boxed {\boxed {\sf 8.2 \ grams}}$

Explanation:

According to the Law of Conservation of Mass, the mass of the products must equal the mass of the reactants.

mass products = mass reactants

In this problem, the reaction is:

$iron + oxygen = ferric \ oxygen$

The reactants are iron and oxygen. We know the mass of the iron sample is 10 grams.

The product is ferric oxide. The mass of the ferric oxide sample is 18.2 grams.

$10 \ g + oxygen=18.2 \ g$

We want to find how many grams of oxygen reacted. We have to get the oxygen by itself. 10 is being added to oxygen. The inverse of addition is subtraction. Subtract 10 from both sides of the equation.

$10 \ g - 10 \ g+ oxygen = 18.2 \ g - 10 \ g$

$oxygen= 18.2 \ g - 10 \ g$

$oxygen= 8.2 \ g \\$

<u>8.2 grams of oxygen </u>reacted with 10 grams of iron to form 18.2 grams of ferric oxide.

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3 years ago