A Bullet Mass = M) Is Fired at Speed V

question 44

Multiple Choice

A bullet mass = m) is fired at speed V into a block of mass M with M > m) which is hanging vertically from a light string of length L. The bullet stops in the block. If the recoiling block + bullet system reaches a height of 2/3L, then the initial speed of the bullet is given by

• A) M  1gL/3)^1/2/m.
• B) M  2gL/3)^1/2/m.
• C) M  3gL/4)^1/2/m.
• D) m  4gL/3)^1/2/M.
• E) M  4gL/3)^1/2/m.

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Definitions:

Tundra

A cold, treeless biome characterized by low temperatures, short vegetation, and a short growing season, found in high latitude regions.

Profundal Zone

A deep zone in a body of water where sunlight does not penetrate, often characterized by cold temperatures and low oxygen levels.

Decomposers

Organisms, such as bacteria and fungi, that break down dead organisms and waste materials, recycling nutrients back into the ecosystem.

Detritivores

Organisms that decompose organic material by feeding on detritus, contributing to the recycling of nutrients in an ecosystem.