Brlan is repairing an old alarm clock. He needs to replace a device that converts the electric energy into sound energy. Which o
f these devices
should he use?
OA.
O B.
C.
battery
buzzer
motor
Switch
should he use?
OA.
O B.
C.
battery
buzzer
motor
Switch
1 answer:
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Answer:
the force of attraction between the two charges is 4.2 x 10⁹ N.
Explanation:
Given;
the magnitude of first charge, q₁ = 0.06 C
the magnitude of the second charge, q₂ = 0.07 C
distance between the two charges, r = 3 m
The force of attraction between the two charges is calculated as ;
where;
k is Coulomb's constant = 9 x 10⁹ Nm²/C²
Therefore, the force of attraction between the two charges is 4.2 x 10⁹ N.