Answer:
Explanation:
given,
density of blood = 1060 kg/m³
v₂ = 0.800 m/s
v₁ = 0.475 m/s
change in pressure calculation
using Bernoulli's equation
both are at same level
the change in pressure is equal to 219.62 Pa
A railroad car of mass 20000 kg and velocity 5.0 m s to the right collides completely elastically in a head on collision with a
1 answer:
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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 (
)