Electron<span>. the central part of an atom containing </span>protons<span> and </span>neutrons<span> ... which of the following is necessary to calculate the atomic </span>mass<span> of an element? ... which of the </span>statements correctly compares<span>the relative size of an ion to its neutral atom?</span>
Answer:
because switch moves after a waiter
Explanation:
Answer:
F = 2.69 10⁻³ m [ N]
Explanation:
This exercise asks to calculate the gravitational field of the Earth on the lunar surface, let's use the universal gravitation law
F = G m M / r²
where m is the mass of the body, M the mass of the Earth and r the distance between the Earth and the Moon
F = (G M / r²) m
F = (6.67 10⁻¹¹ 5.98 10²⁴ / (3.85 10⁸)² ) m
F = 2.69 10⁻³ m [ N]
This force is directed from the Moon towards the Earth, therefore it reduces the weight of the body
The mass of the water in the system is one parameter that can be taken into consideration that is kept constant.
Describe a constant.
A constant in science is a kind of unaltered variable that stays constant together with the experimental process.
It is important to take into account a system's constants, which cannot be altered by experiments or observations.
In conclusion, the mass of the water can be taken into consideration as a continuous system parameter.
Learn more about the constant of the system here:
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