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erastova [34]
3 years ago
6

In ionic compounds which group from the periodic table usually provide anion?

Physics
1 answer:
koban [17]3 years ago
3 0
Pretty sure it’s halogens , or groups 14-17
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How much carbon dioxide (co2) does natural gas emit compared with other fossil fuel
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A positive point charge q is placed at the center of an uncharged metal sphere insulated from the ground. The outside of the sph
Olenka [21]

Answer:

B.The charge on A is -q; there is no charge on B.

Explanation:

We are given that

Charge=+q

We have to find the correct statement.

When positive charge is placed at center of uncharged metal sphere

insulated from the ground then negative charge(-q) induced on inner

surface  A  of sphere  and the outer  surface B  is grounded then the surface is neutral .

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Hence, option B is true .

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4 0
2 years ago
Which statements best characterize conductors? Check all that apply.
romanna [79]
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5 0
3 years ago
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ipn [44]

Answer:

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4 0
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(a) The magnitude of the wind as it is measured on the boat will be the result of the two vectors. Since they are at 90°, the resultant can be determined by the Pythagorean theorem.
 
                   R = sqrt ((20 knots)² + (17 knots)²)
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The direction of the wind will have to be angle between the boat and the resultant.
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Hence, the direction is 40.36° east of north.

(b) As stated, the wind is blowing in the direction that is to the east. This means that it only has one direction. Parallel to the motion of the boat, the magnitude of the wind velocity will have to be zero. 
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