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LUCKY_DIMON [66]
3 years ago
5

2 pts.) An electron is placed in an electric field of intensity 700 N/Cj. What are themagnitude and direction of the acceleratio

n of this electron due to this field? (melectron=9.1 × 10-31 kg, qe= 1.60 × 10-19 C)
Physics
1 answer:
Gnoma [55]3 years ago
6 0

Explanation:

We have,

Electric field intensity is 700 N/Cj

It is required to find the magnitude and direction of the acceleration of this electron due to this field.

The electric force is balanced by the force due to its motion i.e.

qE =ma

a is acceleration of this electron

a=\dfrac{qE}{m}\\\\a=\dfrac{1.6\times 10^{-19}\times 700}{9.1\times 10^{-31}}\\\\a=1.23\times 10^{14}\ m/s^2

So, the acceleration of the electron is 1.23\times 10^{14}\ m/s^2 and it is moving in +y direction.

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lukranit [14]

Translational motion is a type of motion in which objects move with a change in position. The situation that best shows the translational motion is leaf blowing in the field.

Translational Motion:

It is a type of motion in which objects move with a change in position.

For example- leaf blowing in the field.

  • Coin spinning on the desk does not change its position.
  • A car in the parking lot with running engine does not change its position.
  • Standing in feet is not any kind of movement.

Therefore, the situation that best shows the translational motion is leaf blowing in the field.

Learn more about Translational Motion:

brainly.com/question/2416005

7 0
3 years ago
A(n) _______ is a line in which waves move that are moving together all in the same phase
Gekata [30.6K]

Answer:

wave front

Explanation:

wave front is an imaginary line of a wave that joins all adjacent points that are in phase,

so that's the definition, and you apply it to the question

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4 0
3 years ago
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What type of volcano only ever has quiet eruptions?
77julia77 [94]
In contrast to quiet eruptions, other volcanoes erupt explosively. Mount St. Helens, for instance, spewed lava high in the air when it erupted. Two things control the type of eruption: how much water vapor and other gasses are in the magma and whether the magma is basaltic or granitic. Basaltic magma tends to ooze out gently in a thin, quiet eruption, while granitic magma is thicker and becomes trapped inside the volcano's vents. Once the pressure grows enough to force out the magma, it explodes.

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3 0
3 years ago
A light beam is traveling through an unknown substance. When it exits that substance and enters into air, the angle of reflectio
bogdanovich [222]

Answer:

0.79

Explanation:

Using Snell's law, we have that:

n(1) * sin θ1 = n(2) * sinθ2

Where n(1) = refractive index of air = 1.0003

θ1 = angle of incidence

n(2) = refractive index of second substance

θ2 = angle of refraction

The angle of reflection through the unknown substance is the same as the angle of incidence of air. This means that θ1 = 32°

=> 1.0003 * sin32 = n(2) * sin42

n(2) = (1.0003 * sin32) / sin42

n(2) = 0.79

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4 years ago
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Why does an object hover over a large magnet
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