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The force between the two point charge when they are separated by 18 cm is 3 N
<h3>How do I determine the force when they are 18 cm apart?</h3>
Coulomb's law states as follow:
F = Kq₁q₂ / r²
Cross multiply
Fr² = Kq₁q₂
Kq₁q₂ => constant
F₁r₁² = F₂r₂²
Where
- F₁ and F₂ are the initial and new force
- r₁ and r₂ are the initial and new distance apart
With the above formula, we can obtain the force between the two point charge when they are 18 cm apart. Details below:
- Initial distance apart (r₁) = 6 cm
- Initial force of attraction (F₁) = 27 N
- New distance apart (r₂) = 18 cm
- New force of attraction (F₂) =?
F₁r₁² = F₂r₂²
27 × 6² = F₂ × 18²
972 = F₂ × 324
Divide both side by 324
F₂ = 927 / 324
F₂ = 3 N
Thus, the force when they are 18 cm apart is 3 N
Learn more about force:
brainly.com/question/28569085
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Choice 'b' is one possible way to state
Newton's second law of motion.
The other choices are meaningless.
Answer:
B
Explanation:
Friction acts in a direction opposite to the motion of an object
Answer:
Explanation:
Pressure (P): the force exerted by gas molecules as they strike a given surface.
Volume (V): the space occupied by gas molecules.
Temperature (T): A measure of how fast gas molecules move (kinetic energy).
Amount (n): Amount in moles of gas molecules.
