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Damm [24]
3 years ago
15

Help me please I don’t understand

Physics
1 answer:
IrinaK [193]3 years ago
3 0
A nuclear power plant.
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Si el número masico del elemento litio es 7 ¿cual es su nucleo?
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El núcleo tiene 3 protones (lo que le da al núcleo una carga de +3, identificándolo como el elemento Litio) y 4 neutrones (lo que le da un número total de masa de 7).
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What is the reaction force if a girl pulls on a cow?
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Answer : B) The cow pulls back on the girl.

From newton’s third law we know that every action has a reaction force pushing back. So when the girl pulls on a cow, the cow is pulling back on her.
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Write a short paragraph that explains the central idea of the article. Use at least two details from the article to support your
zhannawk [14.2K]

Answer:

you should write about a book you read

Explanation:

because maybe you got really good things in it

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2 years ago
What is the perfect amount of sunlight needed on a planet.
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6 0
2 years ago
A proton traveling to the right enters a region of uniform magnetic field that points into the page.When the proton enters this
neonofarm [45]

Answer:

(C) deflected toward the top of the page.(

Explanation:

We can answer this problem by using Fleming's Left Hand Rule. By doing so, we have to place:

- The index finger of the left hand in the direction of the magnetic field

- The middle finger of the left hand in the direction of the particle's velocity

- The thumb will give the direction of the force, and therefore the deflection of the proton

In this problem, we have:

- Magnetic field direction: into the page --> index finger

- Proton's velocity: to the right --> middle finger

By doing so, we observe that the thumb points towards the top of the page: therefore, the correct answer is

(C) deflected toward the top of the page.

6 0
3 years ago
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