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slavikrds [6]
3 years ago
9

Grain is pored into a silo to be stored for later use. Due to the friction between pieces of grain as they rub against eachother

during the pouring process, one piece of grain picks up a charge of 6.0E-10C and another piece of grain picks up a charge of 2.3E-15C. What is the electric force between them if the pieces are 2 cm apart?
Physics
1 answer:
MariettaO [177]3 years ago
6 0

Answer:

3.1×10⁻¹¹ N

Explanation:

Use Coulomb's law:

F = k q₁ q₂ / r²

F = (9×10⁹) (6.0×10⁻¹⁰) (2.3×10⁻¹⁵) / (0.02 m)²

F = 3.1×10⁻¹¹

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