Two Masses M and 5M Rest on a Horizontal Frictionless

question 21

Multiple Choice

Two masses M and 5M rest on a horizontal frictionless table with a compressed spring of negligible mass between them.When the spring is released,the energy of the spring is shared between the two masses in such a way that

• A)M gets 3/5 of the energy.
• B)M gets 1/6 of the energy.
• C)M gets 1/5 of the energy.
• D)M gets 4/5 of the energy.
• E)None of these will occur.

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Definitions:

Conscious Mind

The aspect of mind that is aware of thoughts, feelings, and surroundings at any given moment.

Regression

A defense mechanism in psychoanalytic theory where an individual's behavior reverts to an earlier stage of development when faced with stress.

Fixation

An obsessive interest or feeling stuck at a particular stage of psychosexual development, according to Freud.

Repression

A psychological defense mechanism where distressing memories, thoughts, or impulses are excluded from conscious awareness.