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bezimeni [28]
2 years ago
8

Topographic maps represent an area's physical features by describing _____.

Physics
2 answers:
natulia [17]2 years ago
8 0
<span>a topographic map is a type of map characterized by large-scale detail and quantitative representation of reliefi would say a  </span>
jasenka [17]2 years ago
5 0
B is the answer.....
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Which is an important step in how an electric motor uses magnetic force to produce motion?
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Answer:B.As the north pole of the electromagnet nears the south pole of the permanent magnet, the current reverses and the poles of the magnets then repel.

Explanation:

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An apple hanging from a limb has potential energy because of its height . If it falls ,what becomes of this energy just before i
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Answer: Just before its hits the ground it becomes kinetic energy and when it hits the ground it becomes in another form of energy (acoustic energy or thermal energy, for example)

Explanation:

Energy is the ability of matter to produce work in the form of movement, light, heat, among others.

In this sense, according to the Conservation of Energy principle: <em>"energy is not created or destroyed, it is transformed."</em>

So, in the case of the apple, its total energy is conserved.

When the apple is hanging from a limb, it has zero kinetic energy K_{o}=0 (because it is at rest) and has gravitational potential energy U_{o}, which depends on the mass m, the acceleration due gravity g and the height h:

U_{o}=mgh

When the apple falls, just before its hits the ground, this gravitational potential energy transforms in kinetic energy K_{1} (since the apple is moving), which depends on the mass and velocity V of the apple:

K_{1}=\frac{1}{2}mV^{2}

When the apple hits the ground, the gravitational potential energy is zero (h=0) and the kinetic energy transforms into some other form of energy (acoustic energy or thermal energy, for example).

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2 years ago
Influenced by the gravitational pull of a distant star, the velocity of an asteroid changes from from +19.3 km/s to −18.8 km/s o
muminat

As per above given data

initial velocity = 19.3 km/s

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Now we need to find acceleration

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According to the Periodic Table of Elements, Calcium (Ca) has:
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