Question: What is the speed parameter for the following speeds? (a) A typical rate of continental drift (1 in./y); (b) A typical drift speed for electrons

What is the speed parameter for the following speeds?
(a) A typical rate of continental drift (1 in./y);
(b) A typical drift speed for electrons in a current-carrying conductor (0.5 mm/s);
(c) A highway speed limit of 55 mi/h;
(d) The root-mean-square speed of a hydrogen molecule at room temperature;
(e) A supersonic plane flying at Mach 2.5 (1200 km/h);

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