Question: 2. Derive an equation relating ysv , YSL, YLv for a long droplet sitting in a long V- shaped groove with constant cross-section shown below.

2. Derive an equation relating ysv , YSL, YLv for a long droplet sitting in a long V- shaped groove with constant cross-section shown below. The cross section is an equilateral triangle. (You may ignore the ends of the droplet.) water droplet vinyl 3. What is the contact angle for water in the groove as described in 2, with the energies described in 1

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