A Student Weighing 200 N Climbs a Flight of Stairs

question 71

Multiple Choice

A student weighing 200 N climbs a flight of stairs 9.0 m high in 4 s. What power is required to perform this task?

• A) 1800 J
• B) 800 J
• C) 1800 W
• D) 800 W
• E) 450 W

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Definitions:

Acceptable Name

A name that meets the standard nomenclature rules set by IUPAC or other governing bodies, suitable for use in scientific contexts.

Acceptable Name

A term used to indicate a name for a chemical compound that is approved by a recognized authority, such as the International Union of Pure and Applied Chemistry (IUPAC).

Starting Materials

The reactants used at the beginning of a synthetic chemical reaction.

Structures

The arrangement of atoms in a molecule.