Answer:
A black hole is a region of space having a gravitational field so intense that no matter or radiation can escape.
Explanation:
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Answer:
E(final)/E(initial)=2
Explanation:
Applying the law of gauss to two parallel plates with charge density equal σ:

So, if the charge is doubled the Electric field is doubled too
E(final)/E(initial)=2
Answers all in picture below
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A developing story hope it helped
<span>It is measured in calories </span>