Two objects have unlike charges. How would the electric force between the two objects change as they are moved apart?
2 answers:
Answer:
as we move the two charges apart the attraction force between them will decrease in magnitude
Explanation:
As we know that two charges are unlike charges here so the force between them is attraction type of force
This force is given by Coulomb's law which is given as
so here this force is proportional to the product of two charges and inversely depends on the square of the distance between two charges
So here keeping the same magnitude of the charges we move them to large distance
So here the force between them must have decrease
So as we move the two charges apart the attraction force between them will decrease in magnitude
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Answer:
(B) 1.6 m/s^2
Explanation:
The equation of the forces acting on the box in the direction parallel to the slope is:
(1)
where
is the component of the weight parallel to the slope, with m = 6.0 kg being the mass of the box, g = 9.8 m/s^2 being the acceleration of gravity,
being the angle of the incline
is the frictional force, with
being the coefficient of kinetic friction, N being the normal reaction of the plane
a is the acceleration
The equation of the force along the direction perpendicular to the slope is
where is the component of the weight in the direction perpendicular to the slope. Solving for N,
Substituting into (1), solving for a, we find the acceleration: