The time
(in seconds) required for a block to slide down an inclined plane function is
.
Where,
\
is the length(in feet).
is the inclination. \ \
Acceleration due to gravity is
ft/sec.
(a)
\Find time
(in seconds) when
and
ft. \ \
Consider
.
Substitute the values
,
, and
. \ \

\ \
\ \
sec.
(b)
\Find time
(in seconds) when
and
ft. \ \
Consider
.
Substitute the values
,
, and
. \ \


\ \
sec.
(c)
\Find time
(in seconds) when
and
ft. \ \
Consider
.
Substitute the values
,
, and
. \ \


\ \
sec.
(a) 1.20 sec.
\(b) 1.12 sec.
\(c) 1.20 sec.