A Spring (K = 600 N/m) Is Placed in a Vertical

question 69

Multiple Choice

A spring (k = 600 N/m) is placed in a vertical position with its lower end supported by a horizontal surface. The upper end is depressed 20 cm, and a 4.0-kg block is placed on top of the depressed spring. The system is then released from rest. How far above the point of release will the block rise?

• A) 46 cm
• B) 36 cm
• C) 41 cm
• D) 31 cm
• E) 20 cm

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Definitions:

Estrogen

A group of hormones that play a key role in the development and regulation of the female reproductive system and secondary sex characteristics.

Transcription Factors

Proteins that regulate gene expression by binding to specific DNA sequences, thereby controlling the transfer of genetic information from DNA to mRNA.

Steroids

A large class of organic compounds with a characteristic molecular structure containing four rings of carbon atoms; they include many hormones, alkaloids, and vitamins.

Intracellular Receptors

Proteins located inside the cell that bind to certain substances and initiate a specific cellular response.