2 years ago

What is true about solar energy hitting earth?

Physics

1 answer:

polet [3.4K]2 years ago

6 0

B. It’s the same roughly at all latitudes

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uranmaximum [27]

See if you get the answer with this formulae.

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3 years ago

The electromagnetic interaction _______.A. applies only to charges at rest B. applies only to charges in motion C. is responsibl

Bond [772]

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C. is responsible for sliding friction and contact forces

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3 years ago

Can someone answer this please I’ll give brainliest

Alinara [238K]

Answer:

The last one is false

Explanation:

Energy can be neither created or destroyed. It can only move from one type of energy to another.

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3 years ago

What is the electric potential energy of an electron at the negative end of the cable, relative to the positive end of the cable

VashaNatasha [74]

Answer:

Electric potential energy at the negative terminal: $1.92\cdot 10^{-18}J$

Explanation:

When a particle with charge $q$ travels across a potential difference $\Delta V$ , then its change in electric potential energy is

$\Delta U = q \Delta V$

In this problem, we know that:

The particle is an electron, so its charge is

$q=-1.60\cdot 10^{-19}C$

We also know that the positive terminal is at potential

$V_+=0V$

While the negative terminal is at potential

$V_-=-12 V$

Therefore, the potential difference (final minus initial) is

$\Delta V = -12-0 = -12 V$

So, the change in potential energy of the electron is

$\Delta U = (-1.6\cdot 10^{-19})(-12)=1.92\cdot 10^{-18}J$

This means that the electron when it is at the negative terminal has $1.92\cdot 10^{-18}J$ of energy more than when it is at the positive terminal.

Since the potential at the positive terminal is 0, this means that the electric potential energy of the electron at the negative end is

$1.92\cdot 10^{-18}J$

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3 years ago

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elixir [45]

Is there any types of answer to get an idea

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3 years ago

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