A 30-Kg Mass and a 5

question 142

Multiple Choice

A 3.0-kg mass and a 5.0-kg mass hang vertically at the opposite ends of a rope that goes over an ideal pulley. If the masses are gently released from rest, how long does it take for the 3.0-kg mass
To rise by 1.0 m?

• A) 0.41 s
• B) 0.74 s
• C) 0.90 s
• D) 0.82 s
• E) 1.8 s

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Definitions:

Phylogenies

The study and construction of family trees that show the evolutionary relationships among various biological species or other entities.

Traditional Animal

A term that might refer to species commonly recognized or domesticated by human cultures throughout history, but without a precise scientific meaning.

Fossil Record

The collection of fossils that has been discovered, providing evidence about the history of life on Earth.

Structural Protein

Proteins that play a role in building and maintaining the shape and structure of cells and tissues, such as collagen in connective tissues.