Two Tiny Grains of Sand Having Charges of 4

question 48

Multiple Choice

Two tiny grains of sand having charges of 4.0 μC and -4.0 μC are situated along the x-axis at x₁ = 2.0 m and x₂ = -2.0 m.What is electric potential energy of these grains relative to infinity? (k = 1/4πε₀ = 9.0 × 10⁹ N ∙ m²/C²)

• A)-36 mJ
• B)36 mJ
• C)0 J
• D)-72 mJ
• E)72 mJ

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Definitions:

Child Maltreatment

Physical, sexual, emotional abuse, or neglect of a child by a parent, caregiver, or another person in a custodial role.

Physical Punishment

A form of discipline that involves causing physical discomfort or pain to an individual, often used as a corrective measure.

Time-Out

A disciplinary technique used to remove a child from an environment where inappropriate behavior has occurred, giving them time to calm down and reflect on their actions.

Self-Control

The ability to regulate one's emotions, thoughts, and behaviors in the face of temptations and impulses.