What decribes the tendency for the conducting material to oppose the flow of electrons

wave absorption results in some of the wave's energy being converted into thermal energy. Describe an example of a time you've e

FinnZ [79.3K]

Answer:

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Explanation:

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5 0

3 years ago

A ball is thrown into the air with 100 J of kinetic energy, which is transformed to gravitational potential energy

goblinko [34]

Answer:

Air resistance

Explanation:

Despite the law of conservation of energy stating that energy can neither be created nor destroyed but can only be transformed from one state to another, some energy is usually lost in the process of transformation and its majorly attributed to frictional loss. Friction opposes normal movement hence in air, air resistance tends to reduce the original energy compared to the initial. That is why the final energy in this case is slightly less than the original energy.

3 0

4 years ago

The gravitational force of a star on an orbiting planet 1 is F1. Planet 2, which is twice as massive as planet 1 and orbits at t

Andrej [43]

Answer:

ratio = 1 : 4.5

Explanation:

If m₁ is the mass of the star and m₂ the mass of the planet, the force of gravity F₁ for planet 1 is given by:

$F_1=\frac{Gm_1m_2}{r^2}$