Three large plates are separated by thin layers of ethylene glycol and water, as shown in Fig. P1.74. The top plate moves to the right at \(2 \mathrm{~m} / \mathrm{s}\). At what speed and in what direction must the bottom plate be moved to hold the center plate stationary?

Figure P1.74

Transcribed Image Text:

0.1 cm 0.2 cm Copper plate Water (20C) 2m/s -Plastic plate Steel plate Ethylene glycol (20C)