Solve the problem.Under standard conditions, molecules of a gas collide billions of times per second. If each molecule has diameter t, the average distance between collisions is given by 
where n, the volume density of the gas, is a constant. Find 
.
A. 
= - 
B. 
= 
C. 
= - 
D. 
= 
Answer: C
Mathematics
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Find the Jacobian 
or 
(as appropriate) using the given equations.
A. 42u2 B. 42v2 C. 84u2 D. 84v2
Mathematics
Use a calculator to approximate the area of the surface generated when the given curve is revolved about the x-axis. Round to two decimal places when necessary.y = sinx on 
A. 1.15 B. 7.65 C. 13.39 D. 5.1
Mathematics
Solve the problem.A rocket follows a path given by 
where distances are in miles. If the horizontal velocity is given by 
find the magnitude of the velocity when the rocket hits the ground (assume level terrain) if time is in minutes.
A. 340 miles/minute B. 40 miles/minute C. 150 miles/minute D. 20 miles/minute
Mathematics
Find the root. Assume that variables represent any real number.
A. 11x
B. -11
C. 11
D. 121x
Mathematics