A Spring-Powered Dart Gun Is Unstretched and Has a Spring

question 70

Multiple Choice

A spring-powered dart gun is unstretched and has a spring constant 10.0 N/m. The spring is compressed by 8.00 cm and a 5.00 gram projectile is placed in the gun. The kinetic energy of the projectile when it is shot from the gun is

• A) 0.020 J.
• B) 0.032 J.
• C) 0.060 J.
• D) 0.100 J.
• E) 0.120 J.

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Definitions:

Organic Amnesia

Memory loss caused by physical damage or changes to the brain, which can result from injury, disease, or substance abuse.

Dissociative Identity Disorder

A psychological condition characterized by the presence of two or more distinct personality states that control an individual's behavior at different times.

Fugue State

A rare psychological state involving loss of personal identity and memory, often accompanied by unexpected travel or wandering.

Psychogenic Amnesia

A memory disorder characterized by sudden retrograde episodic memory loss, said to occur for a period of time proceeding a traumatic event, though not due to direct physical damage.