How are ions different from atoms

1 answer:

3 0

Atoms are always neutral it means, the number of Protons & electrons are equal in them whereas ions are charged, the number is different depends on the kind of charge

Hope this helps!

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Which would require the greater energy; slowing down of the orbital speed of the Earth so it crashes into the sun, or speeding u

tresset_1 [31]

Answer: Speeding up the orbital speed of earth so it escapes the sun require the greater energy.

Explanation: To find the answer, we need to know more about the Orbital and escape velocities.

<h3>What is Orbital and Escape velocity?</h3>

Orbital velocity can be defined as the minimum velocity required to put the satellite in its orbit around the earth.
The expression for orbital velocity near to the surface of earth will be,

$V_o=\sqrt{gR}$

Escape velocity can be defined as the minimum velocity with which a body must be projected from the surface of earth, so that it escapes from the gravitational field of earth.
The expression for orbital velocity will be,

$V_e=\sqrt{2gR}$

If we want to get into the sun, we want to slow down almost completely, so that your speed relative to the sun became almost zero.
We need about twice the raw speed to go to the sun than to leave the sun.

Thus, we can conclude that, the speeding up the orbital speed of earth so it escapes the sun require the greater energy.

Learn more about orbital and escape velocity here:

brainly.com/question/28045208

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3 0

2 years ago

The escape speed from an object is v2 = 2GM/R, where M is the mass of the object, R is the object's starting radius, and G is th

Rom4ik [11]

Answer:

Approximate escape speed = 45.3 km/s

Explanation:

Escape speed