A Bullet of Mass M and Velocity Strikes and Becomes

question 45

Multiple Choice

A bullet of mass m and velocity strikes and becomes imbedded in a wooden block of mass M, which is initially at rest on a frictionless surface. The ratio of the velocity of the system after collision to the initial velocity of the bullet is

• A) (M + m)/m
• B) (M + m)/M
• C) M/(m +
• D) m/(m +
• E) M/(m -

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Definitions:

Gravel

Coarse granular material, consisting of rounded or angular fragments, often used in construction and landscaping.

Transgression

The advance of the sea across the land and the evidence of such an advance.

Regression

The retreat of the sea from land areas and evidence of such withdrawal.

Sandstone

A sedimentary rock composed mainly of sand-sized mineral particles or rock fragments.