Please! Explain a connection with a molecule and matter.

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Answer 1

Answer: An atom is the basic unit of a chemical element while a molecule is an electrically neutral group of two or more atoms held together by chemical bonds. I guess its connected because in a molecule, its two or more atoms because of the bond.

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determine the magnitude and direction of the resultant for a combination of the vectors A: 10.1m, 60 degrees B: 7.3m, 275 degrees

Answers

Answer:

5.87 m, 75.5°

Explanation:

Let's say C is the resultant vector.

The x component is the sum of the x components of A and B.

Cx = Ax + Bx

Cx = 10.1 cos 60° + 7.3 cos 275°

Cx = 5.69

The y component is the sum of the y components of A and B.

Cy = Ay + By

Cy = 10.1 sin 60° + 7.3 sin 275°

Cy = 1.47

The magnitude is found with Pythagorean theorem, and the angle is found with trigonometry.

C² = Cx² + Cy²

C² = 5.69² + 1.47²

C = 5.87

θ = atan(Cy / Cx)

θ = atan(5.69 / 1.47)

θ = 75.5°

The movement of deep ocean currents is mainly caused by:?

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The relationship between the density of ocean water and the formation of deep currents. Difference in the tempature and salinity and the resulting differences in density cause variations int he movement of deep currents. For example, the deepest current , The Antarctic Bottom Water, is denser than the North Atlantic Deep Water. Both currents spread across the ocean floor as they flow toward eachother. Because less dense water always flows on top of denser water, The north Atlantic Deep Water flows on top of the Atlantic Bottom Water when the currents meet.

Compounds are only formed and broken apart by blank?

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i think the answer your looking for is chemical reactions

A force is always required to move an object from rest

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True a resultant force is needed

Can lunar eclipses only be found in the fall?

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A solar eclipse or lunar eclipse can occur at any moment of any day of the year.

How did the scientists discover the common structure of cells

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i did some research and i found that: through use of a microscope. The first scientists to look at human tissues through a microscope were surprised to see that all human tissues are made up of little compartments. They called these 'cells' after the bedrooms of monks in monasteries

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