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3 years ago

14

In the sixteenth century, the geocentric theory was a daim with substantial evidence. Which of the following best describes why

scientists began to regard the heliocentric theory as more acceptable?

1 answer:

Ronch [10]3 years ago

3 0

Answer:

The heliocentric theory was better supported by data explaining the rotation of the planets and other bodies in the solar system.

Explanation:

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A force of 20 N acts upon 5 kg block caculate the accerleration of the object

Vedmedyk [2.9K]

Answer:

$\boxed{\text{4 m $\cdot$ s$^{-2}$}}$

Explanation:

F = ma

$a = \dfrac{F}{m} = \dfrac{\text{20 N}}{\text{5 kg}} \times \dfrac{\text{1 kg$\cdot$ m $\cdot$ s$^{-2}$}}{\text{1 N}} = \text{4 m $\cdot$ s$^{-2}$}\\\\\text{The acceleration of the object is } \boxed{\textbf{4 m $\cdot$ s$^{\mathbf{-2}}$}}$

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3 years ago

The volume of a sample of <img src="https://tex.z-dn.net/?f=P_b" id="TexFormula1" title="P_b" alt="P_b" align="absmiddle" class=

murzikaleks [220]

Answer : The mass of sample is, 267.5 grams.

Explanation :

Density : It is defined as the mass of a substance contained per unit volume.

Formula used :

$Density=\frac{Mass}{Volume}$

Given:

Volume of Pb = $23.57cm^3$

Density of Pb = $11.35g/cm^3$

Now put all the given values in the above formula, we get the mass of Pb.

$11.35g/cm^3=\frac{Mass}{23.57cm^3}$

$Mass=267.5195g=267.5g$

Therefore, the mass of sample is, 267.5 grams.

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3 years ago

Determine the total net force and the direction of movement for the situation.

k0ka [10]

Answer:

well it can be 11 or 16n

Explanation:

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3 years ago

If a neutral compound is composed of carbon and hydrogen and you know that it has exactly 2 carbons connected by a double bond,

Oksanka [162]

Answer: 4 hydrogens

Explanation:

This is what the structure will look like C=C. Remember that it's important that all structures have a complete octet. As it looks right now each carbon is sharing 4 valence electrons so each needs 2 more bonds to hydrogen complete its octet.

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3 years ago

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What are some remarkable properties of water

frosja888 [35]

Explanation:

Water can dissolve in many things because of it's polarity and surface tension.
Water is the only substance that is lighter in its solid form.

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3 years ago