Two Blocks Are Connected by a String That Goes Over

question 17

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:

Sight

The sense that allows for the perception of visual stimuli, mediated by the eyes and processed by the brain.

Centration

The cognitive tendency in early childhood to focus on one aspect of a situation while neglecting others.

Modelling Clay

A pliable material used in art and education to create three-dimensional objects and forms through shaping and molding.

Conservation

In cognitive development, the understanding that certain properties of objects or substances do not change when their appearance is altered.