Using a Motion Sensor,Susana Finds That the Acceleration of a 4-Kg

question 31

Multiple Choice

Using a motion sensor,Susana finds that the acceleration of a 4-kg rock that has been dropped from the roof of a building is 6 m/s².She concludes that the magnitude of force of air resistance acting on the rock is approximately

• A)39.2 N
• B)24.0 N
• C)15.2 N
• D)9.81 N
• E)None of these is correct.

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Definitions:

Major Organ Of Gas Exchange

Lungs in mammals, including humans, where oxygen is absorbed into the blood and carbon dioxide is released from the blood.

Germ Layer

One of the primary layers of cells (ectoderm, mesoderm, and endoderm) in the early embryo from which all tissues and organs develop.

Digestive Tube

A continuous hollow tube running through the body, from mouth to anus, where digestion and nutrient absorption occur.

Ectoderm

The outermost layer of cells or tissue of an embryo in early development, giving rise to the outer layer of skin, nerves, and brain.