How do I find the average number of particles hitting the surface poer unit area and per unit time with no information?
Answer:
36pie inch²
Step-by-step explanation:
Answer attached
<em>Hope</em><em> </em><em>it</em><em> </em><em>helps</em><em> </em><em>:</em><em>)</em>
Differentiate the given solution:

Substitute
and
into the ODE:

and it's easy to see the left side indeed reduces to 0.