Question: Assume that a surface-grinding operation is being carried out under the following conditions: D = 250 mm, d = 0.1 mm, v = 0.5 m/s,

Assume that a surface-grinding operation is being carried out under the following conditions: D = 250 mm, d = 0.1 mm, v = 0.5 m/s, and V = 50 m/s.
These conditions are then changed to the following D = 150 mm, d = 0.1 mm, v = 0.3 m/s, and V = 25 m/s. What is the difference in the temperature rise from the initial condition?

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