A Particle with a Charge of 5

question 49

Multiple Choice

A particle with a charge of 5.5 *10^-8C charge is fixed at the origin.A particle with a charge of-2.3 * 10^-8C charge is moved from x = 3.5 cm on the x axis to y = 3.5 cm on the y axis.The change in the potential energy of the two-charge system is:

• A)3.2 * 10^-4 J
• B)-3.2 *10^-4 J
• C)9.3* 10^-3 J
• D)-9.3 *10^-3 J
• E)0 J

Explain the physiological systems of arthropods, including mechanisms of gas exchange, sensation, and excretion.

Identify key evolutionary adaptations that have contributed to the diversity and success of insects.

Describe the basic anatomy and distinguishing features of major invertebrate phyla.

Understand and explain the impact of human activities on marine ecosystems, specifically coral reefs.

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Definitions:

Forgetting Curve

A graph that describes the rate at which information is lost over time when there is no attempt to retain it.

Forgetting Rate

The speed at which information is lost from memory over time, an aspect of memory decay.

Intrusion Errors

Memory mistakes in which elements that were not part of the original information get mixed into (“intrude” into) someone’s recall.

Recall

The act of retrieving information or memories from the past, often without the stimulus that initially encoded the memory.