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A driver's reaction time is directly influenced by the condition of his vehicle.

a. True
b. False

1 Answer

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Final answer:

The condition of a vehicle does not directly influence a driver's reaction time, which is primarily affected by the driver's mental and physical state. Vehicle condition affects stopping distance, not reaction time.

Step-by-step explanation:

The statement 'A driver's reaction time is directly influenced by the condition of his vehicle' is false. A driver's reaction time refers to how quickly a driver can respond to a stimulus or event while driving. This reaction time is primarily determined by the driver's mental and physical condition rather than the mechanical condition of the vehicle.

Factors such as fatigue, alcohol, drugs, age, and distractions can affect a driver's reaction time. However, it is important to consider that the overall safety and performance of a vehicle, including the effectiveness of the brakes and tires, do influence the stopping distance once the driver reacts.

Addressing the given information:

  • A constant-speed car on a straight road does not imply anything about the driver's reaction time.
  • A position vs time graph of an object speeding up is not a straight line; it is typically a curve.
  • Reaction rate factors affect driving, as a high concentration of cars increases the likelihood of interactions.
  • Stopping distance is a combination of reaction distance and braking distance, the latter being influenced by road conditions and vehicle performance.
  • Reaction time and stopping distance are physics concepts closely related to driver safety.
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