A portable television using a 12 volt, 3 Ah rechargeable battery can operate for a period of about 6 hours. What is the average
1 answer:
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Answer:
-0.045 N, they will attract each other
Explanation:
The strength of the electrostatic force exerted on a charge is given by
where
q is the magnitude of the charge
E is the electric field magnitude
In this problem,
(negative because inward)
So the strength of the electrostatic force is
Moreover, the charge will be attracted towards the source of the electric field. In fact, the text says that the electric field points inward: this means that the source charge is negative, so the other charge (which is positive) is attracted towards it.
Answer:
Now,buyantant force
so;
Now,
And now,
Hence that,specific density of a given body is 3
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