(a)
\The vectors are
and
.
Find the values of
and
.
The magnitude of the vector
is
.
and 
and 
and
.
Here, the amount of rain fall
is
inches.
The area of the rain guage
is
.
(b)
\The vectors are
and
.
Compute the value of
.
The dot product of the two vectors
and
is
.
Compare the vectors with general form.
\
and
.
.


.
The volume of the rain collected in the guage
is
.
(c)
\If the gauge is to collect the maximum vaolume of the rain , then the amount of rain fall
is maximum and the area of the rain guage
is also maximum.
(a)
\The amount of rain fall
is
inches.
The area of the rain guage
is
.
(b)
\The volume of the rain collected in the guage
is
.
(c)
\If the gauge is to collect the maximum vaolume of the rain , then the amount of rain fall
is maximum and the area of the rain guage
is also maximum.