The Number of Seconds T It Takes the Pendulum of a Grandfather

question 194

Short Answer

The number of seconds T it takes the pendulum of a grandfather clock to swing through one complete cycle is given by the formula below. L is the length, in feet, of the pendulum. Find how long the pendulum must be for one complete cycle to take 4 seconds by substituting 4 for T in the formula and then solving for L . Round the answer to the nearest tenth, if necessary. __________ feet

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Definitions:

Earned

Received as a result of work or effort.

Simple Interest Rate

The rate at which simple interest is calculated, usually on an annual basis.

Borrowed

Funds taken as a loan from a lender with the agreement to pay back with interest.

Term Deposit

A fixed-term investment held at a financial institution that pays interest at a specified rate and matures on a specific date.