Two Identical Particles, Each with a Mass of 2

question 76

Multiple Choice

Two identical particles, each with a mass of 2.0 μg and a charge of 25 nC, are released simultaneously from rest when the two are 4.0 cm apart. What is the speed of either particle at the instant when the two are separated by 10 cm?

• A) 7.3 m/s
• B) 9.8 m/s
• C) 9.2 m/s
• D) 6.5 m/s
• E) 4.6 m/s

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Definitions:

Piaget's Theory

A framework proposed by Jean Piaget that outlines how children's cognitive abilities develop through a series of stages as they grow.

Deferred Imitation

The ability to remember and replicate an action observed at an earlier time, without the model being present.

Sensorimotor Stage

The first stage in Piaget's theory of cognitive development, from birth to about 2 years, where infants learn about the world through their senses and actions.

Cognitive Development

The process of growth and change in intellectual capabilities which influence a person's behavior and learning ability.