per second from a point 10 feet above the water (see figure). At what rate is the angle 0 between the line and the water changing when there is a total of 25 feet of line from the end length s of (a) Show ( of the rod to the water? (b) The an Find B e = s 47. Relative 10 ft the relativ 5 mi H = 400 Net drto where ri Figure for 41 Figure for 42 (a) Dete 42. Angle of Elevation An airplane flies at an altitude of 5 miles toward a point directly over an observer (see figure). The speed of the plane is 600 miles per hour. Find the rates at which the angle of elevation 0 is changing when the angle is (a) 0 30°, (b) 0 = 60°, and (c) = 75° t= (b) At rate hu 48. Secur above 43. Linear vs. Angular Speed A patrol car is parked 50 feet from a long warehouse (see figure). The revolving light on top at a rate of 30 revolutions per minute. How fast camer in rece
per second from a point 10 feet above the water (see figure). At what rate is the angle 0 between the line and the water changing when there is a total of 25 feet of line from the end length s of (a) Show ( of the rod to the water? (b) The an Find B e = s 47. Relative 10 ft the relativ 5 mi H = 400 Net drto where ri Figure for 41 Figure for 42 (a) Dete 42. Angle of Elevation An airplane flies at an altitude of 5 miles toward a point directly over an observer (see figure). The speed of the plane is 600 miles per hour. Find the rates at which the angle of elevation 0 is changing when the angle is (a) 0 30°, (b) 0 = 60°, and (c) = 75° t= (b) At rate hu 48. Secur above 43. Linear vs. Angular Speed A patrol car is parked 50 feet from a long warehouse (see figure). The revolving light on top at a rate of 30 revolutions per minute. How fast camer in rece
Chapter3: Polynomial Functions
Section3.5: Mathematical Modeling And Variation
Problem 7ECP: The kinetic energy E of an object varies jointly with the object’s mass m and the square of the...
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Transcribed Image Text:per second from a point 10 feet above the water (see figure).
At what rate is the angle 0 between the line and the water
changing when there is a total of 25 feet of line from the end
length s of
(a) Show (
of the rod to the water?
(b) The an
Find B
e = s
47. Relative
10 ft
the relativ
5 mi
H =
400
Net drto
where ri
Figure for 41
Figure for 42
(a) Dete
42. Angle of Elevation An airplane flies at an altitude of
5 miles toward a point directly over an observer (see figure).
The speed of the plane is 600 miles per hour. Find the rates at
which the angle of elevation 0 is changing when the angle is
(a) 0 30°, (b) 0 = 60°, and (c) = 75°
t=
(b) At
rate
hu
48. Secur
above
43. Linear vs. Angular Speed A patrol car is parked 50 feet
from a long warehouse (see figure). The revolving light on top
at a rate of 30 revolutions per minute. How fast
camer
in rece
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