Description : How tall is the tree if it casts a shadow 30 feet long when the angle of the sun is 32 degrees?
Last Answer : If the angle of elevation is 32 degrees then using the tangentratio in trigonometry the height of the tree is 18.75 feet roundedup to two decimal places
Description : A building is 120 feet high. at a certain distance away from the building. an observer notices the angle of elevation to the top of the building is 41 degrees. how far is the observer from the base of the building?
Last Answer : 6
Description : What is the height of a moutain when from the top of a tower which is 180 meters high the angle of elevation is 25.3 degrees and its bottom angle of elevation is 26.42 degrees?
Last Answer : Using the sine rules in trigonometry the height of the mountainworks out as 3704 meters in height to the nearest whole number.
Description : What is the height of a mountain when from the bottom of a tower 180 meters in height the angle of elevation is 26.42 degrees and from its top the angle of elevation is 25.3 degrees?
Last Answer : By drawing a sketch from the given information then usingtriangulation and trigonometry the height of the mountain works outas 3704.435 meters rounded to three decimal places.
Description : How do you Find the angle of elevation of the sun from the ground when a tree that is yards tall casts a shadow W yards long.?
Last Answer : Need answer
Description : What is the height of a hill when the distance between its angles of elevation which are 20.92 degrees and 31 degrees on level ground is 110 meters?
Last Answer : Using trigonometry the height of the hill works out as 115.58meters rounded to two decimal places
Description : A building which is 64 meters high casts a shadow of length 96 meters. The height of a telephone tower which casts a shadow of 180 meters under similar conditions will be a) 100m b) 120m c) 180m d) 96m
Last Answer : b) 120m
Description : A flag pole 18 m high casts a shadow 9.6 m long. Then the distance of the top of the pole from the far end of the shadow is (a) 25.6 (b) 20.4 (c) 23.7 (d) 32.5
Last Answer : (b) 20.4
Description : What is the height of a mountain when the distance between its angles of elevation which are 16.6 degrees and 22.3 degrees on level ground is 500 meters?
Last Answer : This can be solved using the Tangent trigonometric ratio.The larger angle of elevation is the closer angle.Let the horizontal distance from this point to the peak of themountain be d metres; then:height = d ... tan 22.3°≈ 546 m(Generally mountains are more than 600 m, so this is more of ahill.)
Description : What is the height of a building when the distance between its angles of elevation which are 29 degrees and 37 degrees is 30 meters on level ground?
Last Answer : Using trigonometry its height works out as 63 meters to thenearest meter.--------------------------------------------------------------------------------------------------------let ... substitute the values of α, β and x in and find theheight:h = (30 m tan 37° tan 29°)/(tan 37° - tan 29°) ≈ 63 m
Description : The total propagation delay time from transmission to reception of signals from a ground transmitter to ground receiver with angle of elevation at 10 degrees respectively is A. 273 ms B. 239 ms C. 275 ms D. 260 ms
Last Answer : A. 273 ms
Description : i'm looking to identify a flying insect(?) that burrows in the groung.
Last Answer : its a cicada. noisy, fast but only around once in 17 years
Description : The angle of elevation of the top of a tower from two points distant s and t from its foot are complementary. Prove that the height of the tower is √st. -Maths 9th
Last Answer : let the height of the tower= QR Angle of elevation= Angle RSQ= theta Then angle QTR= 90 degree- theta In triangle QTR, Tan(90 degree- theta)= QR/t That implies: cot theta= QR/t That implies: 1/tan theta= QR/t That ... ) From ( 1 ) and ( 2 ), t/QR= QR/s That implies: QR^2= st That implies: QR= root
Description : The angle of elevation of the antenna beam is 20°. Calculate the transmission-path distance for an ionospheric transmission that utilizes a layer of virtual height 200 km. Use flat-earth approximation. A. 966 km B. 2100 km C. 1100 km D. 405 km
Last Answer : C. 1100 km
Description : In regard to Universal currete what is true? a- You can use both ends equally. b- You can use one end only. c- Angle of shank and blade is 70 degrees. d- You can use it for specific area. e- It has very rigid handle.
Last Answer : a- You can use both ends equally.
Description : If you stand in the south pole is your shadow longer or shorter?
Last Answer : Feel Free to Answer
Description : How long is the shadow of a 5 feet 4 inch person if a 8 foot cast a 3 foot shadow?
Last Answer : 8 feet and 5 feet 4 inches are in a ratio of 3 to 2 so thereforethe smaller shadow is 2 feet in length
Description : If a clock tower is 15 feet tall. How long is its shadow at 60 degree above the horizon. How do you work out the problem?
Last Answer : If the angle of elevation is 60 degrees then by using thetangent ratio the length of the shadow is 8.66 feet rounded to twodecimal places.
Description : What is 20 degrees Celsius in degrees Kelvin? w) 70 degrees x) 293 degees y) 100 degrees z) 212 degrees
Last Answer : ANSWER: X -- 293 DEGREES
Description : If the rate of change of the super-elevation along a curved portion of a 7 metre wide road is 1 in 150 and the maximum super-elevation allowed is 1 in 15, the maximum length of the transition curve to be provided at either end, is (A) 65 m (B) 70 m (C) 75 m (D) 80 m
Last Answer : Answer: Option B
Description : A district road with a bituminous pavement has a horizontal curve of 1000 m for a design speed of 75 km ph. The super-elevation is (A) 1 in 40 (B) 1 in 50 (C) 1 in 60 (D) 1 in 70
Last Answer : Answer: Option A
Description : What is the area of a right angle triangle having a base dimension of 3 feet and a height of 4 feet.?
Last Answer : Area of triangle: 0.5*3*4 = 6 square feet
Description : What causes 2 shadows of one item, and one shadow of the other things a few feet away from each other?
Last Answer : second light source for the additional shadow, and some shadows being drowned out by the light from one light source, with the other light source being too weak at that distance to sufficiently ... to make the shadow it would cast discernible in the presence of the more dominant light source.
Description : If a 5 feet tall person has a shadow of 8 foot what is the shadow of a w foot tree?
Last Answer : What is the answer ?
Description : The shadow of a tower standing on level ground is found to be 40 m longer when the Sun’s altitude is 30° than when it is 60°. Find the height of the tower. -Maths 9th
Last Answer : this is the answer
Description : A man of height 160 cm walks at a rate of 1.1` m/sec from a lamp post which 6m high. Find the rate at which the length of his shadow increases when he
Last Answer : A man of height 160 cm walks at a rate of 1.1` m/sec from a lamp post which 6m high. Find ... shadow increases when he is 1m away from the lamp post.
Description : A tower of height 24m casts a shadow 50m and at the same time, a girl of height 1.8m casts a shadow. Find the length of the shadow of girl. (a) 3.7 5m (b)3 .5m (c) 3.25m (d) 3m
Last Answer : (a) 3.7 5m
Description : A flag staff 17.5 m high casts a shadow of length 40.25m. What will be the height of a building, which casts a shadow of length 28.75m under similar conditions? a) 14m b) 11.4m c) 13.5m d) 12.5 m
Last Answer : d) 12.5 m
Description : If a submarine dives 378 feet in 14 seconds the average change in elevation is feet per second.?
Last Answer : 27 fps
Description : In Jamaica, if you drop a steel ball weighing five pounds from a height of 45 inches, will it fall more rapidly through water at 20 degrees Fahrenheit or water at 40 degrees Fahrenheit. Or will it make no difference? -Riddles
Last Answer : 40 degrees Fahrenheit. At 20 degrees Fahrenheit the water would be ice.
Description : If a ski pole is 3.0 feet in length how long is the ski pole in mm?
Description : A back sight (A) Is always taken on a point of known elevation or can be computed (B) Is added to the known level to obtain the instrument height (C) Taken on an inverted staff is treated as negative (D) All the above
Last Answer : (D) All the above
Description : Which one of the following factors does not affect the scale of the air photographs? (A) Focal length (B) Flying height (C) Ground elevation (D) None of these
Last Answer : Answer: Option D
Description : The convexity provided to the carriageway between the crown and edge of the pavement, is known as (A) Super-elevation (B) Camber (C) Height of the pavement (D) None of these
Description : Design of horizontal and vertical alignments, super-elevation, sight distance and grades, is worst affected by (A) Width of the vehicle (B) Length of the vehicle (C) Height of the vehicle (D) Speed of the vehicle
Description : An aircraft climbs from an airfield, elevation 1500ft, QNH 1023mb, to FL75. What height does the aircraft have to climb? (Assume 1mb=30ft) a. 6600 ft b. 7800 ft c. 6300 ft d. 6000 ft
Last Answer : c. 6300 ft
Description : If the measure of angle DAB is 50 degrees and the measure of angle DAC is 20 degree what is measure of CAB?
Last Answer : If that is the angles of a triangle then the 3rd angle is 110degrees
Description : Degree of a road curve is defined as the angle in degrees subtended at the centre by an arc of (A) 10 metres (B) 20 metres (C) 25 metres (D) 30 metres
Description : _____ is the angle between the half-power radiation points A. Critical angle B. Beamwidth C. Angle of elevation D. Azimuth
Last Answer : B. Beamwidth
Description : _____ is the horizontal pointing angle of an antenna A. Azimuth B. Angle of elevation C. Right angle D. Beamwidth
Last Answer : A. Azimuth
Description : When the elevation angle of a geostationary satellite is 23˚ and the transmitting frequency is 3840 MHz, what is the free space loss in dB? A. 196 dB B. 200 dB C. 150 dB D. 100 dB
Last Answer : A. 196 dB
Description : The ________ angle measures the satellite position clockwise from the direction of true north. A. azimuth B. elevation C. depression D. critical
Last Answer : A. azimuth
Description : A satellite position is measured by its __________ angle with respect to the horizon. A. elevation B. depression C. azimuth D. critical
Last Answer : A. elevation
Description : A ground station is operating to a geostationary satellite at a 5° angle of elevation. Calculate the round-trip time between ground station and satellite. A. 275 s B. 275 ms C. 137.5 s D. 137.5 ms
Last Answer : B. 275 ms
Description : _______ is the horizontal pointing angle of an antenna. A. Right angle B. Angle of elevation C. Bandwidth D. Azimuth
Last Answer : D. Azimuth
Description : What determines the beam elevation angle of an antenna that is electronically scanned in elevation?
Last Answer : Frequency or phase of radiated energy.
Description : The angle of elevation of a ladder leaning against a wall is 60° and the foot of the ladder is 4.6 m away from the wall. The length of the ladder is: a) 2.3 m b) 4.6 m c) 7.8 m d) 9.2 m
Last Answer : d) 9.2 m