As Shown in the Figure, Two Blocks Are Connected by a Light

question 33

Multiple Choice

As shown in the figure, two blocks are connected by a light string that passes over a frictionless pulley having a moment of inertia of 0.0040 $\mathrm { kg } \cdot \mathrm { m } ^ { 2 }$ and diameter 10 cm. The coefficient of kinetic friction between the table top and the upper block is 0.30 . The blocks are released from rest, and th string does not slip on the pulley. How fast is the upper block moving when the lower one has fallen 0.60 m?

• A) 2.0 m/s
• B) 3.2 m/s
• C) 1.4 m/s
• D) 1.2 m/s

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Definitions:

Adopted

The action of legally taking another's child and raising it as one's own or the acceptance and implementation of a measure, idea, or proposal.

England

A country that is part of the United Kingdom. It shares land borders with Scotland to the north and Wales to the west; the Irish Sea is to the north west, the Celtic Sea to the south west, with the North Sea to the east and the English Channel to the south separating it from continental Europe.

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Trade Deficit

A situation where a country imports more goods and services than it exports, resulting in a negative balance of trade.