A Stationary 1

question 43

Multiple Choice

A stationary 1.67-kg object is struck by a stick.The object experiences a horizontal force given by F = at - bt²,where t is the time in milliseconds from the instant the stick first contacts the object.If a = 1500 N/(ms) and b = 20 N/(ms) ²,what is the speed of the object just after it comes away from the stick at t = 2.74 ms?

• A) 3.3 m/s
• B) 22 m/s
• C) 3.7 m/s
• D) 25 m/s

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Definitions:

Significantly Distorted

Describes data or results that are heavily altered or skewed from their original or expected form, often beyond the effect of chance.

75th Percentile

The value below which 75% of the data points in a dataset lie.

Q3

The third quartile in a data set, representing the value below which 75% of the data falls.

Q1

Stands for the first quartile in a data set, which is the median of the lower half of the data set.