A 25 MGD surface water drinking plant has four circular clarifiers (aka sedimentation basin), operated in parallel with each bas
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Answer:
Friction = 5 N
Explanation:
As we know that block is moving at constant speed
So the acceleration of the block is zero
So we will have
for net force to be zero
Force exerted on the object by external system must be counter balanced by the force of friction
So we have
so we have
Explanation:
The electrostatic forces are conservative forces!
The mainly property of the conservative fields is
In spherical coordinates the field's expression is:
and the curl expression is:
to find the expression for the potential function associated: