Two Very Small Spherical Metal Objects, Each with 1 Coulomb $\times$

question 16

Multiple Choice

Two very small spherical metal objects, each with 1 Coulomb of charge, are brought together in a vacuum so that the separation distance between their centers is 1 mm. What is the force of repulsion between the two object? (Coulomb's constant is k=9.0 $\times$ 10⁹ N^.m²/C².)

• A) 9\(\times\) 10¹² N
• B) 9\(\times\) 10¹³ N
• C) 9\(\times\) 10¹⁴ N
• D) 9\(\times\) 10¹⁵ N

---

Definitions:

Motor Development

The progression of muscle coordination and bodily movements in humans, which occurs as part of the aging process.

Fine Motor Skills

The ability to make movements using the small muscles in our hands and wrists, important for tasks such as writing, typing, and tying shoelaces.

Gross Motor Skills

The abilities required to control the large muscles of the body for activities such as walking, jumping, and climbing.

Pool Party

A social gathering held around a swimming pool, typically featuring entertainment, food, and beverages, and often associated with leisure and celebration.