A Man Pushes an 80-N Crate a Distance of 5

question 31

Multiple Choice

A man pushes an 80-N crate a distance of 5.0 m upward along a frictionless slope that makes an angle of 30 ° with the horizontal. His force is parallel to the slope. If the speed of the crate decreases at a rate of 1.5 m/s², then the work done by the mand is:

• A) -200 J
• B) 61 J
• C) 140 J
• D) 200 J
• E) 260 J

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Definitions:

National Center for Health Statistics

A division of the Centers for Disease Control and Prevention (CDC) tasked with collecting and analyzing data related to the health of the United States population.

Standard Deviation

A measure reflecting the variation or spread in a collection of data points.

Birthweight

The weight of a baby at birth, an important indicator of neonatal health and development.

Wechsler Adult Intelligence Scale

A standard psychological test for measuring adult intelligence in various cognitive domains.