The Position of an Air-Track Cart That Is Oscillating on a Spring

question 89

Multiple Choice

The position of an air-track cart that is oscillating on a spring is given by x = (12.4 cm) cos[(6.35 s^-1) t]. At what value of t after t = 0 s is the cart first located at x = 8.47 cm?

• A) 4.34 s
• B) 0.108 s
• C) 0.129 s
• D) 7.39 s
• E) 7.75 s

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Definitions:

Sampling Error

The difference between a sample statistic used to estimate a population parameter and the actual but unknown value of the parameter.

Population Parameter

A numerical characteristic of a population, such as mean or standard deviation, that is usually unknown.

Proportion

In statistics, a proportion refers to the fraction of the total that exhibits a certain trait or characteristic.

Season Ticket Holders

Individuals or entities that possess tickets granting them access to a series of events, typically sports games or concerts, for a particular season.