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sweet [91]
3 years ago
12

HElPpP mEhH pLeAsE?? TvT

Physics
1 answer:
Vladimir79 [104]3 years ago
6 0
its a graded discussion you need the selection and i cant really answer
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A uniform continuous line charge with net positive charge Q and length L lies on the x-axis from −L2 to +L2. This problem asks a
irakobra [83]

Answer:

(C) zero (there is no net horizontal component of the E-field)

Explanation:

If we subdivide the bar into small pieces, each piece (dx) contains a charge (dq), the electric field of each piece is equivalent to the field of a punctual electric charge, and has a direction as shown in the attached figure. For each piece (dx) in the negative axis there is another symmetric piece (dx) in the positive axis, and as we see in the figure for symmetry the sum of their electric fields gives a resultant in the Y axis (because its components in X are cancelled by symmetry).

Then the resultant of the electric field will be only in Y.

(C) zero (there is no net horizontal component of the E-field)

5 0
4 years ago
The element in a fluorescent lightbulb that absorbs UV light and releases visible light energy is ____?
Mnenie [13.5K]
So in a fluorescent light bulb the mercury atoms release the UV light. This UV light is absorbed by the phosphorous powder coating inside and this releases the visible light.
So your answer is phosphorous powder.
3 0
3 years ago
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A city planner needs to verify that Main Street and Oak Street are parallel. If ___________ are supplementary, the streets must
Alinara [238K]
The answer is a trust me i did it on usa test prep.
5 0
4 years ago
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Help me please this test is due today!
aleksley [76]

Answer:

v = 80.48 km/h.

Explanation:

We have,

Acceleration of a train is 2 km/h/s or 7200 km/h²

Initial velocity of a train is 20 km/h

It is required to find the velocity after 30 seconds or 0.0084 h

Let v is the final speed. Using equation of kinematics as :

v=u+at\\\\v=20+7200\times 0.0084\\\\v=80.48\ km/h

So, the final speed of the train is 80.48 km/h.

7 0
4 years ago
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What is the outcome of the Training and Exercise Planning Workshop (TEPW)?
balandron [24]

Answer / Explanation:

The result of the Training and Exercise Planning Workshop (TEPW) is to set the foundation for the strategy and pattern for a proposed exercise program. The TEPW purpose is to engage elected and selected officials in identifying exercise program priorities and planning a schedule of training and exercise events to meet those priorities.

An essential factor for the exercise management process is to create a collaborative environment where a whole community stakeholders can engage in a forum to discuss and coordinate training and exercise activities across local organizations to maximize the use of available resources and prevent duplication of effort.

8 0
3 years ago
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