A System Comprised Blocks,a Light Frictionless Pulley,and Connecting Ropes Is

question 40

Multiple Choice

A system comprised blocks,a light frictionless pulley,and connecting ropes is shown in the figure.The 9.0-kg block is on a perfectly smooth horizontal table.The surfaces of the 12-kg block are rough,with between the block and the table.If the 5.0-kg block accelerates downward when it is released,find its acceleration.

• A) 1.0 m/s²
• B) 1.2 m/s²
• C) 1.4 m/s²
• D) 1.6 m/s²
• E) 1.8 m/s²

Identify the oldest multicellular eukaryotes in the fossil record and understand their significance.

Grasp the chronological order and significance of key cellular processes and organelles in the evolution of life.

Understand theories and evidence regarding the origin of cellular structures and early cell-like environments.

Recognize the similarities between organelles and prokaryotic organisms to comprehend endosymbiotic theories.

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