A Car Starts from Rest and Accelerates Uniformly at 3

question 85

Multiple Choice

A car starts from rest and accelerates uniformly at 3.0 m/s² toward the north.A second car starts from rest 6.0 s later at the same point and accelerates uniformly at 5.0 m/s² toward the north.How long after the second car starts does it overtake the first car?

• A)12 s
• B)19 s
• C)21 s
• D)24 s

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Definitions:

Thirst

An essential sensation prompting the need to drink fluids, triggered by the physiological mechanisms in response to dehydration or increased salt concentration in the blood.

Appetite

The natural desire to satisfy a bodily need, especially for food.

Hypothalamus

A region of the brain that regulates numerous bodily functions, including temperature, thirst, hunger, sleep, mood, and the release of hormones.

Membrane Potential

The voltage difference across a cell's plasma membrane, due to the distribution of ions, important for conduction of impulses in neurons.