Concept explainers
a.
Find the plane’s altitude after
a.

Answer to Problem 32E
Explanation of Solution
Given information:
During takeoff, an airplane’s angle of ascent is
Find the plane’s altitude after
Calculation:
Consider the following figure which describes the path of path of the airplane travelling at the speed of
Since the distance is given by the product of the speed and time, therefore the distance travelled by the airplane in
Note that the above triangle is a right angle triangle where hypotenuse represents the distance
Since sine of the angle is given by the ratio of the length of the perpendicular
Therefore, the plane’s altitude after
b
How long will it take for the plane to climb to an altitude of
b

Answer to Problem 32E
Explanation of Solution
Given information:
During takeoff, an airplane’s angle of ascent is
How long will it take for the plane to climb to an altitude of
Calculation:
Since sine of the angle is given by the ratio of the length of the perpendicular
Since the distance is given by the product of the speed and time, therefore the time taken for the plane to climb to an altitude of
Thus, the time taken to climb to an altitude of
Chapter 4 Solutions
EBK PRECALCULUS W/LIMITS
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