Two electrons are at rest on the x axis. The first is at x =0 and the second is at x = 1 m. What is the direction of the net E-field at the coordinate position (0.5m, 0.5m)?

Answer: Option (a) is the correct answer.

Explanation:

Energy obtained by an object due to the motion of particles that are present within the object is known as thermal energy.

So, when we increase the temperature of a substance then its molecules tend to gain kinetic energy. Because of this molecules will start to move from their initial position and hence, there will be more number of collisions between the molecules.

As a result, there will be increase in thermal energy of the substance.

Thus, we can conclude that in order to increase thermal energy, the temperature must increase.

I think George did more work because George moved the box to the same direction as the force that he applied. So he is applying an upward force to the box to keep it from falling down and moving to the box up the stairs and Kelly does move the box farther than George, but he isn´t doing any work before the force he applies to the box on a different direction than movement.

Hope this helps

Tobey

Comparing the reactivities of lithium (Li) and krypton (Kr) will best disprove this student's idea.

What is a Proton?

This is defined as a subatomic particle which has a positive charge present in it.

To disprove the claims of the student that you need more protons to have more reactivity, option A was chosen because Krypton has more protons than Lithium, but it is less reactive because it is a noble gas.

Read more about Protons here brainly.com/question/14790671

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Final answer:

The first satellite to capture a photograph of Earth from space was Explorer 1, launched on January 31, 1958. This and subsequent space missions like the Apollo program expanded our visual understanding and perception of our planet.

Explanation:

The first satellite to give us a photograph of the Earth from space was Explorer 1, launched on January 31, 1958. Prior to Explorer 1, the Soviet Union had launched Sputnik 1 in October 1957, but Explorer 1 was the first satellite to provide us with images of Earth from space. This marked a significant moment in human history, altering our perception of the planet.

Later on, the Apollo program further improved our visual understanding of Earth, with the Apollo 17 mission capturing the 'Blue Marble' - one of the rare full disk images of the Earth in sunlight. Such images underscored our perception of Earth as a small, yet interconnected and strikingly beautiful, celestial body floating in the vastness of space.

Learn more about First Satellite Photograph of Earth here:

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The things that a scientist should consider while observing the force is the environmental conditions,the force that is expected to act on the dam, the means to contain that force,  and compare different types of designs in accordance with the location of the dam

Answer:

d=6km

Explanation:

because multiply 2x3 is six