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Aneli [31]
2 years ago
7

A few alpha particles bounce off a thin sheet of gold foil. What did scientists

Physics
1 answer:
Vilka [71]2 years ago
7 0

Answer:

I world say A is the answer 80% sure

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A straight wire carries a 12-A current eastward and a second straight wire carries a 14-A current westward. The wires are separa
USPshnik [31]

Answer:

5.12\cdot 10^{-4} N

Explanation:

The force exerted between two current-carrying wires is given by

F=\frac{\mu_0 I_1 I_2 L}{2 \pi r}

where

\mu_0is the vacuum permeability

I1 and I2 are the two currents

L is the length of the segment of wire on which we want to calculate the force

r is the distance between the wires

In this problem we have:

I_1 = 12 A\\I_2 = 14 A\\r = 42 cm = 0.42 m\\L = 6.4 m

Substituting into the formula, we find:

F=\frac{(4\pi \cdot 10^{-7})(12)(14)(6.4)}{2 \pi (0.42)}=5.12\cdot 10^{-4} N

And since the direction of the two currents is opposite, the force between the wires is repulsive.

7 0
4 years ago
How much energy goes toward kinetic energy
kirill [66]

kinetic is moving

so kinetic energy is something that moves

8 0
3 years ago
Read 2 more answers
What is measured in watts that starts with a p
Nesterboy [21]
Power is measured in watts
6 0
3 years ago
F each fission reaction in a nuclear reactor emits three neutrons, how many neutrons are produced from three fission reactions?
IrinaK [193]

The Three fission reactions will produce nine neutrons

<h3>Meaning of Fission</h3>

Fission can be defined as a nuclear process that involves the breaking of a whole nuclear matter into smaller bits.

In a fission reaction, the matter is broken down into simpler bits.

In conclusion, The Three fission reactions will produce nine neutrons

Learn more about fission:brainly.com/question/3992688

#SPj1

8 0
2 years ago
Compare and contrast the lithosphere and the asthenosphere(3 different 2 similarities)
worty [1.4K]
Before comparing and contrasting these layers of Earth, we first define what lithosphere and asthenosphere are. 

Lithosphere primarily consists of the outermost layers of the Earth, which are the crust and the uppermost portion of the mantle. Simply, the ground you stepped on is part of earth's lithosphere. On the other hand, asthenosphere comprises of hot and partially molten rock just located at the upper portion of the mantle but just below the lithosphere. Both have similarities and differences, which are as follows:

SIMILARITIES:
- Both are the passageways of earthquakes P-waves (Primary waves) just before it reaches the earth's surface.
- Both are made of the same material (Silicon oxide rocks, which are rich in iron and magnesium)

DIFFERENCES:
- Rocks in lithosphere can bend (it deforms, resulting in fault formations), however, rocks in the asthenosphere, not only bend but also flow (plastic in nature).
- Lithosphere has relatively low temperatures compared to asthenosphere.
- Due to its depth, pressure against rocks in asthenosphere is comparatively higher compared to lithosphere.

8 0
3 years ago
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