A Particle (Charge = 40 μC) Moves Directly Toward a Second

question 73

Multiple Choice

A particle (charge = 40 μC) moves directly toward a second particle (charge = 80 μC) which is held in a fixed position. At an instant when the distance between the two particles is 2.0 m, the kinetic energy of the moving particle is 16 J. Determine the distance separating the two particles when the moving particle is momentarily stopped.

• A) 0.75 m
• B) 0.84 m
• C) 0.95 m
• D) 0.68 m
• E) 0.56 m

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Definitions:

Biological Parents

The individuals who have contributed their genetic material to the creation of an offspring.

Strange Situation

A procedure developed by Ainsworth in the 1970s to assess attachment styles in young children through observations of their reactions when separated and reunited with their caregiver.

Anxiously

A manner marked by feelings of worry, nervousness, or unease, often about an imminent event or something with an uncertain outcome.

Attachment

According to Ainsworth, “an affectional tie” that an infant forms with a caregiver—a tie that binds them together in space and endures over time.