How red-light cameras work

How red-light cameras work

Assessment

Interactive Video

Science, Architecture

11th Grade - University

Hard

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The video tutorial explains a traffic monitoring system used in New York and other cities. It consists of a high-resolution digital camera, a strobe light, a control box, and a video sensor. The system activates when motion is detected just before the stop bar after the traffic signal turns red. It captures two images: one before the vehicle crosses the stop line and another in the intersection with the red light on. A close-up of the license plate is also captured.

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5 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the primary function of the system described in the text?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

What triggers the activation of the camera system?

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

Describe the sequence of images taken by the camera system.

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

What does the first image captured by the camera show?

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

Explain the significance of the license plate image in the context of the system.

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