The Strain (Percent of Compression) on the Lumbar Vertebral Disks

question 21

Short Answer

The strain (percent of compression) on the lumbar vertebral disks in an adult human as a function of the load x (in kilograms) is given by .
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Give the answer to four decimal places.
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What is the rate of change of the strain with respect to the load when the load is 100 kg?
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__________ ​
What is the rate of change of the strain with respect to the load when the load is 350 kg?
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__________

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Definitions:

Sunlit Layer

The topmost layer of ocean or body of water that receives sunlight, allowing photosynthesis in aquatic ecosystems.

Lake

A sizable inland body of water, usually freshwater, surrounded by land.

Littoral Zone

The area of a sea, lake, or river that is close to the shore and shallow enough for sunlight to penetrate, allowing plant growth.

Nutrient Trap

A mechanism or feature in an ecosystem that captures and retains nutrients, preventing them from being lost and thereby enhancing nutrient availability.