Description : What is the height of the telephone pole if shadow is 20 feet long and the angle of elevation from the groung if 70 degrees?
Last Answer : Using the tangent ratio height of telegraph pole is 55 feet tothe nearest integer.
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 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 : what- Mike notices the triangle shown in the design of a building near his house. What are the values of the angle measures?
Last Answer : 32, 32, and 116 degrees
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 : At what height must top rails be fitted above working platform? a. Between 90 cm (35 inches) and 110 cm (43 inches) b. Between 100 cm (39 inches) and 120 cm (47 inches) c. Between 95 cm (38 inches) and 115 cm ( 45 inches) d. Between 105 cm (41 inches)and 125 cm (49 inches)
Last Answer : c. Between 95 cm (38 inches) and 115 cm ( 45 inches)
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 : 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 : 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 : Which of the following methods of theodolite traversing is suitable for locating the details which are far away from transit stations? (A) Measuring angle and distance from one transit station (B) ... at one station and distance from other (D) Measuring distance from two points on traverse line
Last Answer : (B) Measuring angles to the point from at least two stations
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
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 : Warm colours make the object _______ a. Appear larger and nearer to the observer b. Appear far and reduced in size. c. Look dull and depressing. d. Invisible to the viewer.
Last Answer : a. Appear larger and nearer to the observer
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 : A woman is walking down a street night at a constant pace. As she passes the street light, she notices that her shadow becomes longer. Does the top of her shadow move faster, slower or the same when the shadow is longer as when it is shorter? -Riddles
Last Answer : This point maintains a constant speed, independent of the lenght of the shadow.
Description : As the nurse monitors the client, she notices a bright red spot on the dressings which measures 4cm in diameter. The nurse should initially do which appropriate nursing intervention? A. Change the ... C. Notify the clients surgeon of a potential hemorrhage D. Assess the presence of a drain
Last Answer : D. Assess the presence of a drain
Description : Kevin notices that when Alice weighs tomatoes at the checkout counter , she regularly leans on the scale. Kevin's consideration about reporting this practice to top management involves ethical ... regard to: A)organisational relationships. B)opportunity. C)product issues. D)promotion issues.
Last Answer : A)organisational relationships.
Description : If h and h1 are the heights of a light house and the observer in a ship in metres above M S L then the horizontal distance from the ship to the light house in kilometres is (A) h + h1) (B) h - h1) (C) h × h1) (D) 3.86 h + h1)
Last Answer : (A) h + h1)
Description : A thin film is observed in white light. The color of the film seen at a particular point depends upon (a)Location of observer (b)Width of the source (c) Distance of the source (d) Brightness of the source
Last Answer : (a)Location of observer
Description : The heights of 7 students are given below (in cm) : 120, 126, 132.41, 121.52, 120.35, 132, 125. Find the median height of the students.
Last Answer : The heights of 7 students are given below (in cm) : 120, 126, 132.41, 121.52, 120.35, 132, 125. Find the median height of the students.
Description : ECE Board Exam March 1996 One hundred twenty µbars of pressure variation is equal to A. 120 dBSPL B. 115.56 dBSPL C. 41.58 dBSPL D. 57.78 dBSPL
Last Answer : B. 115.56 dBSPL
Description : The effective skin resistance of a material with conductivity 120 and skin depth of 2μm is a) 4.16 kilo ohm b) 4.16 mega ohm c) 41.6 kilo ohm d) 41.6 mega ohm
Last Answer : a) 4.16 kilo ohm
Description : Nesha scored 120 out of 150 in English, 120 out of 180 in mathematics and 160 out of 200 in Science. Find Nesha’s score as percentage: (i) in Mathematics (ii) in all the three subjects (on the whole). a) 66 2/3, 78 22/51 b) 71 23/5, 45 7/31 c) 54 13/33, 82 3/4 d) 60 3/4, 76 32/41
Last Answer : Answer: A (i) Percentage scored in Mathematics = 120/180 100 = 12000/180 =1200/18 = 66 2 /3 % (ii) Total maximum of all the three subjects = 150 + 160 + 200 = 510 and Total score in the ... percentage on the whole = (400/510 100) = (40000/510) = 4000/51 = 78 22/51 %
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 : If the temperature outside is a sweltering 41 degrees Celsius how is a human's body likely to respond to maintain homeostasis?
Last Answer : n
Description : What is the area and perimeter of a trangle that has equal sides when its apex angle of 15.75 degrees is opposite to base 5.75 cm?
Last Answer : Using trigonometry the area of the isosceles triangle 60 squarecm and its perimeter is 48 cm both rounded to the nearestinteger
Description : Assume that a ray of light passes from glass into air at an angle of incidence greater than zero degrees. Will the ray of light be bent toward or away from the normal as it passes into the air?
Last Answer : ANSWER: AWAY FROM
Description : How many feet in 0.41 acres?
Last Answer : 17859.6 square feet
Description : what is the tallness of the building...,,Peter is 2 feet 9 inches away from the mirror and the mirror is 11 feet away from the wall of the building. Peter knew his eye level was exactly 5 ft 6 inches off of the ground, How tall is the building in feet?
Last Answer : 726
Description : A retaining wall 6m high supports a backfill with a surcharge angle of 10°. The back of the wall is inclined to the vertical at a positive batter angle of 5°. If the angle of wall friction is 7°, then the resultant ... inclined to the horizontal at an angle of (A) 7° (B) 10° (C) 12° (D) 17
Last Answer : (C) 12°
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 : Statistics , Problems with Two Projectors ? From the top of a 100 meter high tower an object is thrown at a 30 ° angle with a horizontal speed of 50 ms . At the same time another object from ... সাথে with the same velocity horizontally . At what time and at what height will the two objects meet ?
Last Answer : answer:
Description : Mr. Shrimant inherits 4325 gold coins and divides them among his three sons; Bharat, Parat and Marat; in a certain ratio. Out of the total coins received by each of them, Bharat sells 40 coins; Parat donates his ... did Parat receive from his father? a) 1210 b) 1211 c) 1212 d) 1213 e) None of these
Last Answer : Answer: A 41x+40+34x+20+46x+30=4325 =>121x=4325-90 =>x=35 Required answer, number of coins received by parat =34x+20=34×35+20=1210
Description : Calculate the shaft diameter on rigidity basis if torsional moment is 196000N-mm, length of shaft is 1000mm. Permissible angle of twist per meter is 0.5’ and take G=79300N/mm2. a) None of the listed b) 41.2mm c) 35.8mm d) 38.8mm
Last Answer : b) 41.2mm
Description : The angle of incidence of a wave of a wave with angle of transmission 45 degree and the refractive indices of the two media given by 2 and 1.3 is a) 41.68 b) 61.86 c) 12.23 d) 27.89
Last Answer : a) 41.68
Description : Find the permittivity of the surface when a wave incident at an angle 60 is reflected by the surface at 45 in air. a) 1.41 b) 3.5 c) 2.2 d) 1.73
Last Answer : d) 1.73
Description : Calculate the shaft diameter on rigidity basis if torsional moment is 196000N-mm, length of shaft is 1000mm. Permissible angle of twist per meter is 0.5’ and take G=79300N/mm². a) None of the listed b) 41.2mm c) 35.8mm d) 38.8mm
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 : A flagpole stands 30 feet above the ground. The base of the flagpole reaches 10 feet into the ground. What is the vertical distance between the highest and lowest points of the flag pole?
Last Answer : 40
Description : How far away from the phone base can I walk without interruption?
Last Answer : You can be up to 60 feet away from the phone.
Description : Franco bought some gumballs. He gave away 23 of the gumballs and had 41 left. Write an equation to represent the number of gumballs he bought?
Last Answer : 23 + 41Hope this helps
Description : According to the United Nations’ publication, Ending Hunger: An Idea Whose Time Has Come, in the last 88 years, ____ countries have done away with hunger; 41 of these countries have done it since ____. a. 80, 1970 c. 95, 1980 b. 70, 1955 d. 75, 1960
Last Answer : d. 75, 1960
Description : If a submarine dives 378 feet in 14 seconds the average change in elevation is feet per second.?
Last Answer : 27 fps
Description : If you're 8 feet away from a door and with each move you advance half the distance to the door. How many moves will it take to reach the door? -Riddles
Last Answer : You will never reach the door! If you only move half the distance, then you will always have half the distance remaining no matter how small the number.
Last Answer : Infinity! Technically you will never reach the door, as you can only move half the distance, no matter how small.
Description : The staff reading at a distance of 80 m from a level with the bubble at its centre is 1.31 m. When the bubble is moved by 5 divisions out of the centre, the reading is 1.39 m. The angular value of the one division of the bubble, is (A) 28.8 sec (B) 41.25 sec (C) 14.52 sec (D) 25.05
Last Answer : (B) 41.25 sec
Description : when planting Lilac bushes, what is the distance away from a building?
Last Answer : They grow big and you would not want that blocking windows or doors for safety. I like to keep them 20 ft or more away. They do draw bees and other bugs and birds like to make nests in them.
Description : How far away from the surface of the Earth does the acceleration due to gravity become ½ of its value at the surface of Earth? It is at a (a) Distance equal to radius (b) Distance equal to half the radius (c) Distance equal to twice the radius (d) Distance equal to 0.414 times the radius
Last Answer : Ans:(d)