If All the Charges Are 15 Cm from the Origin

question 68

Multiple Choice

If all the charges are 15 cm from the origin the crossing point of the vertical and horizontal lines) in the above figure and Q = +3.0 μC, then calculate the magnitude of the net force on a charge of +Q placed at the origin.

• A) 22.8 N
• B) 10.2 N
• C) 26.0 N
• D) 187 N
• E) None of the above.

Recognize the importance of water's high heat capacity and its effects on aquatic life and ecosystems.

Understand the concept of pH and the behavior of acids and bases in water, with a focus on ionization.

Grasp the principles of Avogadro's number and its application in determining the quantity of molecules in a solution.

Recognize the importance of physical states and phase changes of water in thermoregulation in humans.