Rocket observations show that dust particles in Earth’s upper atmosphere are often electrically charged. (a) Find the distance separating two dust particles if each has a charge of +e and the Coulomb force between them has magnitude 1.00 x 10-14 N. (b) Calculate the mass of one of the dust particles if this Coulomb force would accelerate it at 4.50 x 108 m/s2. (In the upper atmosphere, effects from other nearby charges typically result in a small net force and acceleration.)

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Asked Dec 28, 2019
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Rocket observations show that dust particles in Earth’s upper atmosphere are often electrically charged. (a) Find the distance separating two dust particles if each has a charge of +e and the Coulomb force between them has magnitude 1.00 x 10-14 N. (b) Calculate the mass of one of the dust particles if this Coulomb force would accelerate it at 4.50 x 108 m/s2. (In the upper atmosphere, effects from other nearby charges typically result in a small net force and acceleration.)

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Expert Answer

Step 1

a)

the force between two charges is, 

Physics homework question answer, step 1, image 1
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Step 2

substitute the known values in the above equation to calculate r

Physics homework question answer, step 2, image 1
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Step 3

b)

the relatioin between force on the ...

Physics homework question answer, step 3, image 1
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