Two Blocks Are Connected by a String That Goes Over

question 9

Multiple Choice

Two blocks are connected by a string that goes over an ideal pulley as shown in the figure. Block A has a mass of 3.00 kg and can slide over a rough plane inclined 30.0° to the horizontal. The coefficient of kinetic friction between block A and the plane is 0.400. Block B has a mass of 2.77 kg. What is the acceleration of the blocks?

• A) 0.392 m/s²
• B) 1.96 m/s²
• C) 3.12 m/s²
• D) 5.35 m/s²
• E) 0.00 m/s²

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Definitions:

Allostasis

The concept that different circumstances require different levels of physiological activation.

Activation

The process of initiating or stimulating an action or response by the nervous system or any biological mechanism.

Endocrine System

A network of glands that produce and release hormones directly into the blood to regulate the body's growth, metabolism, and sexual development and function.

Ductless Glands

Glands that release hormones directly into the bloodstream without using ducts, also known as endocrine glands.