Answer: Marie Curie's work with Becquerel made her more curious and prompted her to research and experiment with radioactivity.
Explanation:
Henri Becquerel was a French physicist who in 1896 discovered a new property of matter (which was later called <u>radioactivity</u>). This was accidentally observed when Becquerel found out that uranium salt was spontaneously emitting some kind of rays that went through different substances and were able to veil even a photographic film.
Then Marie Curie and her husband Pierre Curie carried out more experiments to study, in a <u>quantitative way</u>, the radiation emitted by the salts Becquerel studied <u>cualitatively,</u> and other salts that contained uranium. During this process they found other radioactive substances, such as: thorium, polonium and radium.
For that reason, the three of them were awarded the Nobel Prize in Physics in 1903 for their discovery of radioactivity.
Answer:
10 m
Explanation:
Trabajo (W) = 3500 J, peso de la cuchara (F) = 350 N.
El trabajo es el producto de la fuerza que actúa sobre un objeto y la distancia o desplazamiento. La unidad de trabajo estándar son los joules (J).
Trabajo (W) = fuerza (F) × distancia (d)
W = F × d
el cubo se elevó a 10 m
Use the definition of acceleration:
Acceleration = (change of velocity) divided by (time for the change)
The graph says:
Change of velocity = -6 m/s
Time for the change = 3 sec
So Acceleration = (-6m/s) / (3 s)
That's -6/3 m/s•s
or
-2 m/s^2
At the left side of the reaction
Explanation:
the reaction is spontaneous
when the lava erupted from the volcano basalt was the rock that cooled quickly or basalt was the only one rock that cooled quickly after the lava erupted from the volcano
Explanation:
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