A Sled Having a Certain Initial Speed on a Horizontal

question 82

Multiple Choice

A sled having a certain initial speed on a horizontal surface comes to rest after traveling 10 m. If the coefficient of kinetic friction between the object and the surface is 0.20, what was the initial
Speed of the object?

• A) 6.3 m/s
• B) 8.9 m/s
• C) 3.6 m/s
• D) 7.2 m/s
• E) 9.8 m/s

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Definitions:

Height

The measurement of someone or something from head to foot or from base to top.

Breathing Rate

The number of breaths taken within a set amount of time, an important aspect of respiratory health.

Hyperventilation

Rapid or deep breathing that can lead to decreased levels of carbon dioxide in the blood, possibly causing lightheadedness or tingling in the limbs.

Becomes Rapid

Accelerates in speed or activity.