An object of mass 100kg is moving with a velocity of 5m/s. Calculate the kinetic energy of that object
2 answers:
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Answer:
Proton, neutron, electron
Explanation:
The atom consists of a nucleus, where almost all the mass is concentrated, and electrons orbiting around the nucleus.
The nucleus consists of two types of particles:
- Proton: it has a mass of , and a positive electric charge of +e (
)
- Neutron: it has a mass of , and it has no electric charge
The third particle that makes an atom is the electron, that orbit around the nucleus:
- Electron: it has a mass of , and it has a negative electric charge of -e (
)