-An 8 G Bullet Is Shot into a 4

question 11

Multiple Choice

-An 8 g bullet is shot into a 4.0 kg block,at rest on a frictionless horizontal surface.The bullet remains lodged in the block.The block moves into a spring and compresses it by 3.7 cm.The force constant of the spring is 2500 N/m.In the figure,the initial velocity of the bullet is closest to:

• A)460 m/s
• B)440 m/s
• C)480 m/s
• D)500 m/s
• E)520 m/s

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Definitions:

Parasitism

Symbiotic relationship in which one species (the parasite) benefits in terms of growth and reproduction, to the detriment of the other species (the host).

Mutualism

Symbiotic relationship in which both species benefit in terms of growth and reproduction.

Biosphere

Zone of air, land, and water at the surface of the Earth, in which living organisms are found.

Lithosphere

The rigid outer layer of the Earth, consisting of the crust and the upper mantle, involved in plate tectonics and continental drift.