An Old LP Record That Is Originally Rotating at 33

question 25

Multiple Choice

An old LP record that is originally rotating at 33.3 rad/s has a uniform angular acceleration of 2.15 rad/s².Through what angle has the record turned when its angular speed reaches 72.0 rad/s?

• A)83.2 rad
• B)316 rad
• C)697 rad
• D)66.8 rad
• E)948 rad

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Definitions:

Hypertonic Fluid

A solution having a higher concentration of solutes than the cytoplasm of a cell, leading to the cell losing water by osmosis.

Merocrine

A type of exocrine secretion where cells secrete substances without losing cytoplasm.

Apocrine Gland

A type of gland found in various parts of the body that secretes substances (often involved in scent and sweat) into hair follicles.

Hyponychium

The area of epidermis beneath the free edge of the nail plate, forming a barrier to protect the nail bed.