How can we relate density and pressure in liquids ??
2 answers:
<u>How can we relate density and pressure in liquids ??</u>
- It is the pressure at each point of a static fluid. When we immerse ourselves in a liquid, the pressure increases with depth.
- In the case of a liquid (constant density) the pressure increases linearly with depth.
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Answer:
0.247 μC
Explanation:
As both sphere will be at the same level at wquilibrium, the direction of the electric force will be on the x axis. As you can see in the picture below, the x component of the tension of the string of any of the spheres should be equal to the electric force of repulsion. And its y component will be equal to the weight of one sphere. We can use trigonometry to find the components of the tensions:
The electric force is given by the expression:
In equilibrium, the distance between the spheres will be equal to 2 times the length of the string times sin(50):
And k is the coulomb constan equal to 9 *10^9 N*m^2/C^2. q1 y q2 is the charge of each particle, in this case, they are equal.
O 0.247 μC
