A Car Is 200 M from a Stop Sign and Traveling

question 29

Multiple Choice

A car is 200 m from a stop sign and traveling toward the sign at 40.0 m/s. At this time, the driver suddenly realizes that she must stop the car. If it takes 0.200 s for the driver to apply the brakes, what must be the magnitude of the constant acceleration of the car after the brakes are applied so that the car will come to rest at the stop sign?

• A) 2.89 m/s²
• B) 3.89 m/s²
• C) 4.17 m/s²
• D) 3.42 m/s²
• E) 2.08 m/s²

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Definitions:

Fight-or-Flight Response

The body's automatic, physiological reaction to perceived threats or emergencies, preparing an individual for fighting or fleeing.

Recording Electrodes

Devices used to detect electrical activity in the body, such as brainwaves or heart activity, by recording the electrical potential changes over time.

Scalp

The skin covering the skull, often bearing hair, which provides protection and supports sensory input.

Glucose Consumption

The process by which cells use glucose as a source of energy or fuel.