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Two charges are placed at a separation of 1.0 m . What should be the magnitude of the charge so that the force between them equal the weight of 50 kg man

Two charges are placed at a separation of 1.0 m . What should be the magnitude of the charge so that the force between them equal the weight of 50 kg man

Grade:12

1 Answers

deepak
84 Points
7 years ago
since they have not mentioned anything about the nature of the two charges, let us assume that they are q1 and q2 respectively,
=> Fgravity=Felectrostatic
=>mg= kq1q2/r2
=>50x9.8= 9x109 ×(q1q2)
=>q1q2=54.4x10-9
if q1=q2=q
=>q=2.32x10-4 C
since no information on medium is given i assumed the setup to be in vaccum if the medium is not vaccum then k will vary

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