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Anit [1.1K]
3 years ago
9

Why does the sea floor spread

Physics
2 answers:
Naily [24]3 years ago
7 0
Because of the volcano's under it makes it open
Brut [27]3 years ago
4 0
Volcano under us hope it helps
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An electric current will always follow
MrRa [10]

Answer:

A. The path of least resistance.

Explanation:

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3 0
3 years ago
A quantity that has direction as well as size is a scalar.<br><br><br> True or False
lisov135 [29]

Answer:

A quantity that does not depend on the direction is called a scalar quantity. Vector quantities have two characteristics, a magnitude, and a direction. Scalar quantities have only a magnitude. When comparing two vector quantities of the same type, you have to compare both the magnitude and the direction.

Scalar quantities only have magnitude (size). Scalar quantities include distance...

A quantity that is specified by both size and direction is a vector. Displacement includes both size and direction and is an example of a vector. However, distance is a physical quantity that does not include a direction and isn't a vector.

Explanation:

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3 0
2 years ago
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In a particular experiment to study the photoelectric effect, the frequency of the incident light and the temperature of the met
mixer [17]

Answer:

The kinetic energy of the ejected electrons increases.

Explanation:

As we know that electrons are only ejected from a metal surface if the frequency of the incident light increases the work function of the metal. If the frequency of the incident light is less than the work function of the metal no matter how intense the beam the electrons will not be ejected from the surface.

Using conservation of energy principle we have

E_{incident}=h\nu +\frac{1}{2}mv^{2}

If we increase the intensity  of incident light the term on the LHS of the above equation increases this increase appears in the kinetic energy term in RHS of the equation since h\times \nu remains constant.

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3 years ago
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How is the Earth's magnetic field like a bar magnet's magnetic field?
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In the outer layers  of earths atmosphere gases are in ionized state primarily on  account of cosmic rays . as earth rotates , strong electric current are set up due to movement of ions . these currents form earth magnetic field . and thus two equal and opposite poles of earth formed
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Physical science is the study of
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Physical science is the study, measurement and observation of nonliving objects whereas biological.
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