musicojada1 musicojada1

25-03-2017
Physics

Answered

The charges on two metallic balls are 5.0 and 7.0 coulombs respectively. They are kept 1.2 meters apart. What is the force of interaction between the two? (k = 9.0 * 10© newton·metersÆ/coulombÆ)

Verified Answer :

Anonymous Anonymous

25-03-2017

We know, F = k q₁ q₂ / r²

Substitute the known values,
F = 9 10⁹ 5 7 / (1.2)²

F = 315 10⁹ / 1.44

F = 218.75 10⁹ N

F = 2.1875 10¹¹ N [ Final Answer ]

Hope this helps!

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