2 years ago

Which statement(s) correctly compare the masses of protons, neutrons, and electrons?

1 answer:

3 0

Electron. the central part of an atom containing protons and neutrons ... which of the following is necessary to calculate the atomic mass of an element? ... which of the statements correctly comparesthe relative size of an ion to its neutral atom?

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An aluminium object has a mass of 27kg and density of 2700 the object is atached to a spring and immerged in a tank of water det

laiz [17]

Answer:

0.01m^3

Explanation:

m=27

density=2700

density=mass/volume

2700=27/volume

volume=27/2700=0.01

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1 year ago

anthony is learning about electric circuits. he has started building a circuit shown below. which of the following items should

son4ous [18]

The answer is b after I finish my test ill give you the anwsers

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2 years ago

a.Calculate the average speed (in km/h) of Charlie, who runs to the store 4 kilometers away in 30 minutes. b.Calculate the dista

sveta [45]

as per the question charlie runs to the store which is 4 km away

hence the total distance covered [S] is 4 km

he takes 30 minutes to reach the store.

hence the total time taken [t] = 30 minutes=0.5 hour

We have to calculate the average speed.

the average speed[v]= $=\frac{S}{t}$

= $\frac{4 km}{0.5 hour}$

=8 km/hour

then we have to calculate the total distance traveled by charlie in 1 hour.

the distance covered S= $V_{avg} *t$

=8 km/hour ×1 hour

=8 km

Hence the average speed of charlie is 8 km/hour and he covers a distance of 8 km in 1 hour.

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2 years ago

Which best describes the scientific method?

Mrrafil [7]

Your answer would be, The process of Hypothesis, and Testing through which scientific inquiry occurs.

Hope that helps!!!! : )

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2 years ago

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The block in the drawing has dimensions L0×2L0×3L0, where L0 =0.5 m. The block has a thermal conductivity of 250 J/(s·m·C˚). In

stira [4]

Answer:

I am sorry but what drawing

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2 years ago