Question

Point charges 5nC and -2nC are located at (2, 0, 4)cm
and (-3, 0, 5)cm positions respectively. Determine
the electrostatic force on -2nC charge.

Answer 1

798 cm

Explanation:

this is your answer

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Answer 2

Answer:

q

1

=−5×10

−9

C

q

2

=10×10

−9

C

q

3

=12×10

−9

C

r

1

=(0,0,0)

r

2

=(0,0,1)

r

3

=(0,0,2)

T.E.=

4πε

o

1

[

∣r

2

−r

1

∣

q

1

q

2

+

∣r

3

−r

2

∣

q

3

q

2

+

∣r

3

−r

1

∣

q

1

q

3

]

∣r

2

−r

1

∣=

1

2

=1

∣r

3

−r

2

∣=

1

2

=1

∣r

3

−r

1

∣=

2

2

=2

substitute and calculating value:

T.E.=

4πϵ

o

1

[−50×10

−18

+120×10

−18

+

2

−60×10

−18

]

T.E.=

4πϵ

o

10

−18

[40]