A 600-Kg Person Rides in Elevator While Standing on a Scale

question 45

Multiple Choice

A 60.0-kg person rides in elevator while standing on a scale.The elevator is traveling downward but slowing down at a rate of 2.00 m/s².The reading on the scale is closest to

• A) 589 N.
• B) 708 N.
• C) 469 N.
• D) 120 N.
• E) 349 N.

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Definitions:

Standard Deviation

A numerical indicator showing the spread or variation of values in a dataset, illustrating the degree to which the figures deviate from the average.

Mean

The mathematical average of a set of numbers, calculated by adding all the numbers together and dividing by the count of those numbers.

Correlation Coefficient

A numerical measure that indicates the extent to which two variables fluctuate together, showing the strength and direction of their relationship.

Statistical Measure

A quantity calculated from a set of data, which describes a characteristic of the data, such as its central tendency, dispersion, or shape.