A 2-Kg Block Sits on an Incline Where the Top $\mu$

question 67

Multiple Choice

A 2-kg block sits on an incline where the top part of the incline has a coefficient of kinetic friction ( $\mu$ _k) of 0.70.The bottom section of the plane has $\mu$ _k = 0.95.The angle of inclination is 40 degrees.The block is released and travels 10 m along the initial part of the incline and then enters the lower section.Calculate how far the block travels along the second section before it is brought to a stop.

• A)2.7 m
• B)21 m
• C)23 m
• D)13 m
• E)260 m

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Definitions:

Characteristic Stretches

Specific vibrational movements observed in infrared spectroscopy, unique to various functional groups in a molecule.

Stretching Frequency

A term used in vibrational spectroscopy to describe the rate at which a bond between atoms vibrates, often measured in wave numbers (cm^-1).

Broad Absorption

In spectroscopy, it indicates a wide range of wavelengths over which a substance absorbs electromagnetic radiation.

IR Absorption

A technique used to identify and study chemicals by measuring the absorption of infrared radiation at different wavelengths.