A Projectile's Horizontal Velocity Component (Ignoring Air Resistance)

question 95

Multiple Choice

A projectile's horizontal velocity component (ignoring air resistance)

• A) does not change.
• B) changes most rapidly near the bottom of its trajectory.
• C) changes at a variable rate.
• D) changes at a constant rate.

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Definitions:

Thecal Sac

The protective membrane surrounding the spinal cord and nerve roots.

Spinal Cord

The primary conduit for communication between the brain and the peripheral nervous system.

Dorsal Root Ganglion

Collection of sensory neuron cell bodies within the dorsal root of a spinal nerve; also called spinal ganglion.

Multipolar Motor Neurons

Neurons that have one axon and multiple dendrites, allowing them to transmit signals from the central nervous system to muscles, stimulating movement.