A Rifle of Mass M Is Initially at Rest but Free

question 52

Multiple Choice

A rifle of mass M is initially at rest but free to recoil.It fires a bullet of mass m and velocity v (relative to the ground) .After firing, the velocity of the rifle (relative to the ground) is:

• A)-mv
• B)-Mv/m
• C)-mv/M
• D)-v
• E)mv/M

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Definitions:

Standard Deviation

A statistical measure that quantifies the amount of variation or dispersion of a set of data values.

IQ Tests

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Flynn Effect

The significant and enduring rise in scores for both fluid and crystallized intelligence tests recorded across various regions of the world during the 20th century.

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