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LenKa [72]
3 years ago
9

A(n) ______ particle consists of two protons and neutrons.

Physics
2 answers:
MArishka [77]3 years ago
6 0
A "alpha particle" is a package of two protons and two neutrons.

It's also a nucleus of a Helium atom without the electrons.
solniwko [45]3 years ago
3 0
The correct answer is alpha
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It would be hard to test scientifically since it's subjective and can only be proven true if you conducted some experimentations and observations.

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Which of these factors best explains why liquid water exists on earth ?
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earth strong gravity

Explanation:

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3 years ago
a hot pot of water is set on the counter to cool. after a few minutes it has lost 755 j of heat energy. how much heat energy has
velikii [3]

The heat energy the surrounding air gained is <u>755 j.</u>

Energy is a quantitative property given to a body or physical system and can be identified as work being done in the form of heat and light. Energy is Conserved - The law of conservation of energy states that energy can be transformed into form, but cannot be created or destroyed. Energy is the ability to do work. It can exist in electrical, kinetic, thermal, electrical, chemical, nuclear, or other forms.

<u>Concept:-</u>

Since the energy is always conserved, the energy lost by the hot water is gained bt the surrounding

- energy lost  = + energy gained by the surrounding

- 755 j = + <u>755 j</u>

<u />

Energy exists in many forms. Examples include light energy, thermal energy, mechanical energy, gravitational energy, electrical energy, acoustic energy, chemical energy, and nuclear or atomic energy. Each form can be transformed or changed into other forms.

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