Question: The drawing shows a device that you can make with a piece of cardboard, which can be used to measure a person's reaction time. Hold

The drawing shows a device that you can make with a piece of cardboard, which can be used to measure a person's reaction time. Hold the card at the top and suddenly drop it. Ask a friend to try

To catch the card between his or her thumb and index finger. Initially, your friend's fingers must be level with the asterisks at the bottom. By noting where your friend catches the card, you can determine his or her reaction time in milliseconds (ms). Calculate the distances d1, d2, and d3.

HOLD HERE 180 ms d3 120) ms d1 60.0 ms

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