Electronic device helps catch speeders in Amherst, Massachusetts

The video tutorial explains the process of electric timing in measuring speed. It describes how an automobile breaks two light beams, and the time taken is translated by a sensitive electric eye into miles per hour (mph).

How does the automobile register speed according to the text?

Describe the process of how speed is registered in the system mentioned.

What happens when the automobile breaks the first light beam?

Explain the role of the sensitive electric eye in speed measurement.

What is the significance of the elapsed time in determining mph?