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4 years ago

Which statement represents how charges interact?

Physics

2 answers:

mario62 [17]4 years ago

7 0

Answer:

option (D) is correct.

Explanation:

This is based on the property of charges.

Like charges repel each other while like charges attract each other .

It means two positively charged particles or two negatively charged particles are repelled each other, while one positive and another negative charged particles attract each other.

The force of attraction or repulsion is given by the Coulomb's law.

According to this law, the force between two charges is directly proportional to the product of two charges and inversely proportional to the square of distance between them.

marishachu [46]4 years ago

6 0

I believe the correct answer from the choices listed above is option D. <span>Positive charges are attracted to negative charges. This would be based from the statement that opposites attract while like charges repel. Hope this answers the question. Have a nice day.</span>

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A grasshopper leaps into the air at a 62° angle above the horizontal, and follows a parabolic arc in free fall after it leaves t

harina [27]

Answer:

d. None of the above.

Explanation:

In a parabolic motion, you have that in the complete trajectory the component velocity is constant and the vertical component changes in time. Then, the total velocity vector is not zero.

In the complete trajectory the gravitational acceleration is always present. Then, the grasshopper's acceleration vector is not zero.

At the top of the arc the grasshopper is not at equilibrium because the gravitational force is constantly acting on the grasshopper.

Then, the correct answer is:

d. None of the above.

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3 years ago

A concave mirror has a focal length of 11 cm . What is its radius of curvature?

OverLord2011 [107]

Answer:

22cm

Explanation:

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3 years ago

With a thunderstorm brewing, an electric field of magnitude 2.0 × 102 newtons/coulomb exists at a certain point in the earth’s a

Aleks04 [339]

Answer:

The correct option is (b).

Explanation:

Given that,

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We know that, the electric force is given by :

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3 years ago

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sveticcg [70]

Answer:

Choice A: approximately $0.015\; \rm m^2$ , assuming that the two pistons are connected via some confined liquid to form a simple machine.

Explanation:

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$P_2 = P_1 = 6.6\times 10^{5}\; \rm N \cdot m^{-2}$ .

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$\displaystyle A_2 = \frac{F_2}{P_2} = \frac{9.900\times 10^{3}\; \rm N}{6.6\times 10^5\; \rm N \cdot m^{-2}} \approx 0.015\; \rm m^{2}$ .

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3 years ago

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