A Child Does 350 J of Work While Pulling a Box

question 89

Multiple Choice

A child does 350 J of work while pulling a box from the ground up to his tree house at a steady speed with a light rope. The tree house is 4.0 m above the ground. What is the mass of the box?

• A) 5.3 kg
• B) 6.7 kg
• C) 8.9 kg
• D) 8.0 kg

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Definitions:

Loudness

A subjective measure of the strength or intensity of a sound perceived by a listener.

French Horn

A brass musical instrument known for its distinctively wide bell and complex coiled tubing, played by blowing into a mouthpiece.

Subjective Properties

Characteristics or aspects of an object or experience that are dependent on individual perceptions and feelings, rather than being objectively measurable.

Music

An art form and cultural activity that involves the creation of melodies, rhythms, and sometimes lyrics, to produce compositions that can be performed or listened to.