Chapter 37, Problem 103P

To determine

To find:

The speed parameter for the following speeds:

a) A typical rate of continental drift $(1 in./y)$

b) A typical drift speed for electron in a current carrying conductor $\left(0.5\frac{mm}{s}\right)$

c) A highway speed limit of $55 mi/\mathrm{h}$

d) The root mean square speed of a hydrogen molecule at room temperature

e) A supersonic plane flying at mach $2.5 (1200km/\mathrm{h})$

f) The escape speed of a projectile from the earth’s surface

g) The speed of earth in its orbit around the sun;

h) A typical recession speed of a distant quasar to the cosmological expansion $(3.0\times \frac{{10}^{4}km}{s})$