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can two negatively charged balloons move apart without ever touching? why or why not?

a. no, because the space between objects is actually filled with charged particles that all interact.

b. yes, because electrons from one balloon jump to the other and push it.

c. yes, because electric charges have electric fields surrounding them that allow them to exert forces on other objects without touching them.

d. no, because objects have to touch to exert forces that attract and repel.

c. Yes, because electric charges have electric fields surrounding them that allow them to exert forces on other objects without touching them.

Explanation:

As we know by Coulomb's law the force of attraction or force of repulsion between two charged bodies is given by

now we know that

if two charges are of same sign then they will repel each other and if the two charges are of opposite sign then they must attract each other.

So here since two balloons are of negative charge so we can say that electric field on one balloon will repel the charge of other balloon.

So here both balloons will repel each other and correct answer will be

c. Yes, because electric charges have electric fields surrounding them that allow them to exert forces on other objects without touching them.

the working equation for the angular size is the product of the physical size and 360 degrees divided by the product of two pi and distance from earth. the minimum size would be 0.559 degrees while the maximum size would be 0.49 degrees. 

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