What is the mean free path of a gas of randomly-moving hard spheres of radius 2.00 × 10-9 m when the density of spheres is 3.00 × 1019 per cubic meter?
A) 1.17 × 10-4 m
B) 4.00 × 10-9 m
C) 9.76 × 10-5 m
D) 1.88 × 10-3 m
E) 4.69 × 10-4 m
E
You might also like to view...
The log of the fatigue-crack propagation rate for most materials is linearly related to the log of the stress _________range to a power.
Fill in the blank(s) with the appropriate word(s).
A. The divergence is positive. B. The divergence is negative. C. The divergence is zero.
Charge of uniform density 12 nC/m is distributed along the x axis from x = 2.0 m to x = 5.0 m. What is the electric potential (relative to zero at infinity) at the origin (x = 0)?
a. 91 V b. 99 V c. 82 V d. 74 V e. 140 V
When the number of turns in a solenoid and its length are both doubled, the ratio of the magnitude of the new magnetic field inside to the magnitude of the original magnetic field inside is:
a. 0.25 b. 0.50 c. 1 d. 2 e. 4