A Bureau Rests on a Rough Horizontal Surface $\mu$ _s = 0

question 10

Multiple Choice

A bureau rests on a rough horizontal surface ( $\mu$ _s = 0.50, $\mu$ _k = 0.40) . A constant horizontal force, just sufficient to start the bureau in motion, is then applied. The acceleration of the bureau is:

• A) 0
• B) 0.98 m/s ²
• C) 3.3 m/s ²
• D) 4.5 m/s ²
• E) 8.9 m/s ²

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Definitions:

Puncture-Proof Container

A secure, leak-proof container designed to safely store sharp items like needles to prevent injury or contamination.

Contaminated Needle

A needle that has been exposed to disease-causing agents, posing a risk of infection upon use.

Eardrops

Liquid medicine applied into the ear canal to treat infections, relieve pain, or clear earwax.

Pinna

The outer part of the ear that captures sound waves and directs them into the ear canal.