Give an example of how a scientist might use a graph of the

1 answer:

4 0

A scientist could infer if there are significant changes in the birth rate or life expectancy for that population. More definitively, a scientist could determine if the rate if population growth changed over specific points in time. Ultimately this is a high-level relationship that could help inform further research into why certain trends occur.

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Can a body be said to be at rest and in motion at the same time?

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Explanation:

Rest and motion are relative terms. A body at rest with respect to one observer may be in motion with respect to another observer. For example a person sitting in a moving train is at rest with respect to the train.

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The density of a solid material depends on two things .Name those two things

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Mass of an individual atoms or molecules

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Which one of the following terms is used to describe the bending of waves and subsequent spreading around obstacles or the edges

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Answer:

B)Diffraction

Explanation:

The concept of diffraction in the field of physics is defined as the deflection of a wave when it crosses an opening or hits the edge of an opaque element. Diffraction is a phenomenon that involves all waves: electromagnetic, radio, sound, etc., and it is possible to predict their behavior using different mathematical approaches. There is a method of analysis called the Huygens principle, which allows us to understand diffraction as a wavefront that is seen as a series of emitters capable of redirecting the wave when it oscillates and thus promotes propagation. Although the waves produced by the oscillators are spherical, their interference causes a flat wave that moves in the same direction as the initial one.