A Car Is Traveling with a Constant Speed When the Driver

question 94

Multiple Choice

A car is traveling with a constant speed when the driver suddenly applies the brakes, causing the car to slow down with a constant acceleration of magnitude 3. . If the car comes to a stop in
A distance of 30.0 m, what was the car's original speed?

• A) 10.2 m/s
• B) 14.5 m/s
• C) 315 m/s
• D) 105 m/s
• E) 210 m/s

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Definitions:

Delayed Sleep Phase Syndrome

This syndrome is a circadian rhythm disorder where an individual's sleep is delayed by two or more hours, causing difficulty in waking up at conventional times.

Circadian Rhythms

Biological processes that display an endogenous, entrainable oscillation of about 24 hours, regulating the sleep-wake cycle among other bodily functions.

Advanced Sleep Phase Syndrome

A circadian rhythm disorder characterized by earlier than desired sleep onset and wake times, often resulting in evening sleepiness and morning alertness.

Biological Rhythm

Natural cycles of physical, emotional or mental activity in living beings, often aligned with daily, tidal, seasonal, or lunar cycles.