Object A , which has been charged to + 16nC , is at the origin. Object B , which

Question

Object A, which has been charged to + 16nC , is at the origin. Object B, which has been charged to - 22nC , is at (x,y)=(0.0cm,2.0cm).

Part A

What is the magnitude of the electric force on object A?

Express your answer using two significant figures.

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Part B

What is the magnitude of the electric force on object B?

Express your answer using two significant figures.

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Part C

What is the direction of the electric force on object A?

What is the direction of the electric force on object ?

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Part D

What is the direction of the electric force on object B?

What is the direction of the electric force on object ?

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Object A, which has been charged to + 16nC , is at the origin. Object B, which has been charged to - 22nC , is at (x,y)=(0.0cm,2.0cm).

Part A

What is the magnitude of the electric force on object A?

Express your answer using two significant figures.

F =   N  

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Part B

What is the magnitude of the electric force on object B?

Express your answer using two significant figures.

F =   N  

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Part C

What is the direction of the electric force on object A?

What is the direction of the electric force on object ?

positive x-axis positive y-axis negative x-axis negative y-axis

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Part D

What is the direction of the electric force on object B?

What is the direction of the electric force on object ?

positive x-axis positive y-axis negative x-axis negative y-axis

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Explanation / Answer

(A)

FAB=kqAqB/r2=9x109 x 16x10-9x 22x10-9/0.022=0.0079N

(B)

FBA=kqAqB/r2=9x109 x 16x10-9x 22x10-9/0.022=0.0079N

(C)

direction of the electric force on object A is positive y axis

(D)

direction of the electric force on object B is negative y axis

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