A Particle Decelerates Uniformly from a Speed of 30 Cm/s

question 54

Multiple Choice

A particle decelerates uniformly from a speed of 30 cm/s to rest in a time interval of 5.0 s.It then has a uniform acceleration of 10 cm/s² for another 5.0 s.The particle moves in the same direction along a straight line.The average speed over the whole time interval is

• A)20 cm/s
• B)35 cm/s
• C)38 cm/s
• D)100 cm/s
• E)12 cm/s

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Definitions:

Retention

The ability to keep or hold onto something, such as information or substances, within a system or body.

Long-Term Memory Formation

The process of transferring information from short-term to long-term memory, involving consolidation and the strengthening of neural connections.

Structural Changes

Alterations in the physical or organizational structure of something, often referring to the brain or other bodily organs.

Long-Term Potentiation

A process that increases the strength of synapse connections, enhancing the ability to learn and remember.