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vova2212 [387]
3 years ago
6

A substance has a melting point of 800ºC and a boiling point of 1465ºC. The substance is most likely

Physics
1 answer:
VladimirAG [237]3 years ago
8 0
It is most likely table salt.
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A point charge is placed 3m from a 4uc charge what is the strength of the electric field on the point charge at this distance ro
Vlada [557]

The strength of the electric field on the point charge at this distance will be 4000 V/m.

<h3>What is the strength of the electric field?</h3>

The strength of the electric field is the ratio of electric force per unit charge.

The given data in the problem is;

Qis the unit charge = 4.0 × 10⁻⁶ C

E is the strength of the electric field

R is the distance from point charge = 3 m

The strength of the electric field is;

\rm E = \frac{KQ}{R^2} \\\\ \rm E = \frac{9 \times 10^9 \times 4 \times 10^{-6} \ C}{3^2} \\\\ E= 4000 V/m

Hence, the strength of the electric field on the point charge at this distance will be 4000 V/m.

To learn more about the strength of the electric field refer to the link;

brainly.com/question/15170044

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7 0
1 year ago
HELP MEEEE, question number 5
Kryger [21]

Answer:

Object A will get 200 & object B will get 400 Potential Energy

Explanation:

Potential Energy = mgh (mass x gravity x height)

For Object A :-

2 (mass) x 10 (approx gravity on Earth) x 10 (distance/height)

= 200

For Object B :-

4 x 10 x 10

= 400

Hence Object B will have High Potential Force than A.

Hope it helps. Thanks

6 0
2 years ago
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