A 20-Kg Block Travels Around a 0

question 40

Multiple Choice

A 2.0-kg block travels around a 0.50-m radius circle with an angular speed of 12 rad/s.The circle is parallel to the xy plane and is centered on the z axis, 0.75 m from the origin.The component in the xy plane of the angular momentum around the origin has magnitude:

• A)0 kg∙m²/s
• B)6.0 kg∙m²/s
• C)9.0 kg∙m²/s
• D)11 kg∙m²/s
• E)14 kg∙m²/s

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Definitions:

Commensalism

A symbiotic relationship where one organism benefits without significantly affecting the other.

Predation

An interaction between species where one organism, the predator, feeds on another organism, the prey, influencing the evolution of both.

Phorid Flies

Phorid flies are small insects known for their distinctive humpbacked appearance and are often found in decaying organic matter.

Parasitoids

Parasitoids are organisms, primarily insects, that lay their eggs on or in the bodies of other organisms (the host), leading to the eventual death of the host post-infestation.