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Lesson Plans: Time that Star! (Day 1, Animation 1)

Stopwatch

Time That Star!

Day 1: t3 measurement


Animation of the t3 measurement.

Animation will repeat in 5 seconds

Let time = 0 when the pendulum is released from being held over 75 cm. When the Time Keeper says go, the pendulum is released and the watch started. When the pendulum reaches its maximum movement (roughly over 25 cm) the third time, someone says "stop", and the watch is stopped. Repeat this measurement 5 times, making sure the Data Keeper records each trial on the Data Table under t3.

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A service of the High Energy Astrophysics Science Archive Research Center (HEASARC), Dr. Alan Smale (Director), within the Astrophysics Science Division (ASD) at NASA/GSFC

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