A 25-Kg Object Suspended from the Ceiling by a String That

question 56

Multiple Choice

A 2.5-kg object suspended from the ceiling by a string that has a length of 2.5 m is released from rest with the string 40 $\degree$ below the horizontal position.What is the tension in the string at the instant when the object passes through its lowest position?

• A)11 N
• B)25 N
• C)42 N
• D)18 N
• E)32 N

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Definitions:

Total Area

The sum of all areas covered by a particular shape or figure.

Sampling Distribution

The likelihood distribution of a metric derived from numerous samples collected from a certain group.

Sample Mean

The average of all the observations in a sample, used as an estimate of the population mean.

Central Limit Theorem

A statistical theory stating that, given a sufficiently large sample size from a population with a finite level of variance, the mean of all samples will be approximately equal to the mean of the population, with the samples approximating a normal distribution.