A Certain Object in Space Is Accelerating

question 58

Multiple Choice

A certain object in space is accelerating.From this,we know for certain that

• A) its speed is changing.
• B) both its speed and its direction of travel are changing.
• C) its speed or its direction of travel is changing,but not both.
• D) its speed,its direction of travel,or both are changing.

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Definitions:

Semicircular Canals

Structures in the inner ear involved in maintaining balance.

Vertigo

Equilibrium disorder that is often associated with problems in the receptors of the semicircular canals in the ear.

Tympanic Membrane

Membranous region that receives air vibrations in an auditory organ; in humans, the eardrum.

Bipolar Cells

A type of neuron found in the retina, serving as an intermediary between photoreceptors (rods and cones) and ganglion cells, contributing to the processing of visual information.