A Brass Ball Is Shot Vertically Upward from the Surface

question 2

Multiple Choice

A brass ball is shot vertically upward from the surface of an atmosphere-free planet with an initial speed of 20.0 m/s. One second later, the ball has an instantaneous velocity in the upward direction of 15.0 m/s.
-How high does the ball rise?

• A)70.0 m
• B)10.0 m
• C)50.0 m
• D)20.0 m
• E)40.0 m

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Definitions:

Autonomic Reflexes

Involuntary bodily functions controlled by the autonomic nervous system that regulate vital procedures like heart rate and digestion.

Spinal Nerves

Nerves that emerge from the spinal cord to transmit motor, sensory, and autonomic signals between the spinal cord and the body.

Lumbar

The lumbar region is the lower part of the spine consisting of five vertebrae, known for bearing much of the body's weight and for being a common site of back pain.

Sacral

Pertaining to the sacrum, the triangular bone at the base of the spinal column formed from fused vertebrae.