Suppose a Ball Is Thrown Straight Up and Experiences No

question 120

Multiple Choice

Suppose a ball is thrown straight up and experiences no appreciable air resistance.What is its acceleration just before it reaches its highest point?

• A)zero
• B)slightly less than g
• C)exactly g
• D)slightly greater than g

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Definitions:

Swimming Reflex

An involuntary response observed in human infants, where they make swimming movements when placed in water.

Babinski

A reflex action of the toes, which is normal in infants but may indicate neurological problems in adults.

Rooting

An innate reflex in infants that prompts them to turn their head toward something touching their cheek and start to suck.

Motor Development

The progression of muscle coordination, strength, and control that enables an individual to perform complex physical movements.