Find the force required to keep a 2500-lb car parked on a hill that makes an angle of 22° with the horizontal. Find the force made by the car perpendicular to the hill. Please disregard friction in all exercises like this from this point forward. 10)

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
Chapter3: Triangles
Section3.5: Inequalities In A Triangles
Problem 24E: A tornado has just struck a small Kansas community at point T. There are Red Cross units stationed...
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Tme lirst ship sails on a bearing of 110° at
mautical miles per hour) and the second on a bearing of 200° at 42 knots.
How far apart are they after 3.5 hours and what angle is formed by the segments uiae
join the first ship to both the port and to the second ship?
8) (Post to Post) The angle of elevation from a football stadium's corporate boxes to trhe
top of its upper deck on the other side is 50° , while the angle of depression to ground
level is 19°. If the corporate boxes are 150 feet high, find the height of the upper
deck. Please round your answer to the nearest foot.
9) The driver of a car notices a flag on the top of a flagpole toward which he is driving. Ir
the angle of elevation changes from 28° to 53° as the driver moves 4000 feet closer
to the flagpole, how tall is the flagpole? Please round to the nearest foot.
10)
angle of 22° with the horizontal. Find the force made by the car perpendicular to the
hill. Please disregard friction in all exercises like this from this point forward.
Find the force required to keep a 2500-lb car parked on a hill that makes an
11)
S15°W course, is directly across a fire lookout tower on the other side of the canyon.
After she walks 200 feet on a S15°W course, the angle her path forms with the tower
is 86°22'30". Determine the distance across the canyon.
A Geomatics engineer, on one side of a canyon forged by a river that runs on a
The angles of elevation to a balloon from two points A and B on level ground
12)
are 33° and 52°, respectively. Find the balloon's height above ground if the distance
between the points is 12 km. Assume the balloon is positioned between A and B
directly over a straight line that joins A and B.
Two airplanes leave an airport at the same time, one going northwest
13)
(W 45° N) at 418 mph and the other going due east at 331 mph. How far apart, to
the nearest mile, are the planes after 2 hours?
42°45'. After moving back on a straight line away from the skyscraper, 300 feet from
ement, he observes the angle of elevation to be 23°30'.
14)
A surveyor detects that the angle of elevation to the top of a skyscraper is
Transcribed Image Text:Tme lirst ship sails on a bearing of 110° at mautical miles per hour) and the second on a bearing of 200° at 42 knots. How far apart are they after 3.5 hours and what angle is formed by the segments uiae join the first ship to both the port and to the second ship? 8) (Post to Post) The angle of elevation from a football stadium's corporate boxes to trhe top of its upper deck on the other side is 50° , while the angle of depression to ground level is 19°. If the corporate boxes are 150 feet high, find the height of the upper deck. Please round your answer to the nearest foot. 9) The driver of a car notices a flag on the top of a flagpole toward which he is driving. Ir the angle of elevation changes from 28° to 53° as the driver moves 4000 feet closer to the flagpole, how tall is the flagpole? Please round to the nearest foot. 10) angle of 22° with the horizontal. Find the force made by the car perpendicular to the hill. Please disregard friction in all exercises like this from this point forward. Find the force required to keep a 2500-lb car parked on a hill that makes an 11) S15°W course, is directly across a fire lookout tower on the other side of the canyon. After she walks 200 feet on a S15°W course, the angle her path forms with the tower is 86°22'30". Determine the distance across the canyon. A Geomatics engineer, on one side of a canyon forged by a river that runs on a The angles of elevation to a balloon from two points A and B on level ground 12) are 33° and 52°, respectively. Find the balloon's height above ground if the distance between the points is 12 km. Assume the balloon is positioned between A and B directly over a straight line that joins A and B. Two airplanes leave an airport at the same time, one going northwest 13) (W 45° N) at 418 mph and the other going due east at 331 mph. How far apart, to the nearest mile, are the planes after 2 hours? 42°45'. After moving back on a straight line away from the skyscraper, 300 feet from ement, he observes the angle of elevation to be 23°30'. 14) A surveyor detects that the angle of elevation to the top of a skyscraper is
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