The Rotating Systems Shown in the Figure Differ Only in That

question 80

Multiple Choice

The rotating systems shown in the figure differ only in that the two identical movable masses are positioned a distance r from the axis of rotation (left) , or a distance $r / 2$ from the axis of rotation (right) . If you release the hanging blocks simultaneously from rest, and call $t _ { \mathrm { L } }$ the time taken by the block on the left and $t \mathrm { R }$ the time taken by the block on the right to reach the bottom, respectively, then

• A) \({ } ^ { t } \mathrm {~L} = { } ^ { t } \mathrm { R }\)
• B) \(t _ { L } > t R\)
• C) \(t L < t R\)

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Definitions:

Government Intervention

Refers to regulatory actions taken by a government to affect its economy, which can include policies and laws to correct market inefficiencies and promote social welfare.

Current Account

A component of a country's balance of payments that measures the balance of trade in goods and services plus net earnings from abroad and net transfer payments over a period of time.

Net Unilateral Transfers

Financial flows from one country to another that are not reciprocated, typically covering aid, grants, and remittances.

Financial Account Surplus

A situation where the incoming financial resources (like foreign investments) into a country exceed the resources flowing out of the country.