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Activities

Small Group Activity

30 min.

Earthquake waves
In this activity students use the known speed of earthquake waves to estimate the Young's modulus of the Earth's crust.

Small Group Activity

30 min.

Mass is not Conserved

Groups are asked to analyze the following standard problem:

Two identical lumps of clay of (rest) mass m collide head on, with each moving at 3/5 the speed of light. What is the mass of the resulting lump of clay?