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A Pendulum Bob Has Potential Energy U0 When Held Taut °\degree

question 23

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A pendulum bob has potential energy U0 when held taut in a horizontal position.The bob falls until it is 30 °\degree away from the horizontal position,when it has potential energy UA.It continues to fall until the string is vertical,when it has potential energy UB.Compare its potential energies at O,A,and B. A pendulum bob has potential energy U<sub>0</sub> when held taut in a horizontal position.The bob falls until it is 30 \degree away from the horizontal position,when it has potential energy U<sub>A</sub>.It continues to fall until the string is vertical,when it has potential energy U<sub>B</sub>.Compare its potential energies at O,A,and B. A) U<sub>0</sub> = U<sub>A</sub> = U<sub>B</sub>. B) U<sub>A</sub>- U<sub>B</sub> = 2U<sub>0</sub>. C) U<sub>A</sub> - U<sub>B</sub> = U<sub>0</sub> - U<sub>A</sub>. D) U<sub>0</sub> = U<sub>B</sub> = 2U<sub>A</sub>. E) U<sub>0</sub> - U<sub>A</sub> = 2(U<sub>A</sub> -U<sub>B</sub>) .

Definitions:

Dividend

A payment made by a corporation to its shareholders, usually as a distribution of profits.

Rate of Yield

The return on an investment over a period of time, expressed as a percentage of the original investment.

Commission Charges

Fees paid to an agent or company for facilitating a transaction, typically a percentage of the sale amount.

Proceeds

The total amount of money received from a sale or transaction, before any deductions or expenses are accounted for.

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