Two Blocks Are Connected by a String That Goes Over

question 2

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:

Cold Weather

Conditions of the environment characterized by low temperatures, possibly involving snow, ice, and chilling winds, affecting human activities and health.

Mercury Thermometer

A traditional device used to measure temperature that contains mercury inside a glass tube, which expands or contracts with temperature changes.

Hazardous Material

Substances that pose a risk to health, safety, property, or the environment due to their chemical, physical, or biological characteristics.

Ventilate

The process of supplying fresh air to a space or removing stale air from it, to ensure a healthy breathing environment.