Energy does / does not change the phase of matter.
1 answer:
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We have that the density of the fluid is
From the question we are told that
object of volume 0.0004m^3
density 6000kg/m^3
fluid of density 5000kg/m^3.
Force F=0.7N
Generally the equation for the Force is mathematically given as
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The electrostatic force between two charges is given by
where
k is the Coulomb's constant
q1 and q2 are the two charges
r is their separation
In this problem, the two charges are identical, so we can call them q1=q2=q, and the formula becomes
Since we know the magnitude of the force and the separation between the two charges, we can re-arrange the equation to find the value of each charge:
where
k is the Coulomb's constant
q1 and q2 are the two charges
r is their separation
In this problem, the two charges are identical, so we can call them q1=q2=q, and the formula becomes
Since we know the magnitude of the force and the separation between the two charges, we can re-arrange the equation to find the value of each charge: