Answered: proportional to the amount at any…

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

See similar textbooks

Related questions

Concept explainers

Question

PLEASE ANSWER ALL OF THIS QUESTION ASAP!!!

41. REE-Sept 2018. Radium decomposes at a rate
proportional to the amount at any instant. In 100 years,
100 mg of radium decomposes to 96 mg. How many mg will be
left after 100 years?
5 of 5
A. 88.60
B. 95.32
42. The dimensions of a rectangular block of wood were
found to be 100, 120, and 200mm, with a possible error of
5mm in each of the measurements. Find approximately the
greatest error in the surface are of the block.
C. 9300mm^2
D. 3900mm^2
A. 4800mm^2
B. 8400mm^2
C. 92.16
D. 90.72
43. Find the sum of all odd integers between 100 and 1000.
A. 247, 500
C. 148,500
B. 364,200
D. 454,500
44. Find the harmonic mean of 3,3, and 6
A. 3.6
C. 4.6
D. 5.6
B. 2.6
45. The bases of a frustum of a pyramid are 18 cm by 18 cm
and 10 cm by 10 cm. Its lateral area is 448 sq. cm., what
is the altitude of the frustum?
A. 6.39 cm
C. 5.96 cm
D. 5.69 cm
B. 6.93 cm
46. If the radius of the sphere is increased by a factor
of 3, by what factor does the volume of the sphere change?
A. 9
C. 27
D. 54
B. 18
47. The value of 5! is equal to
A. 1
B. 5
equations: xy = 15, yz = 35,
A. 13
B. 19
C. 25
D. 120
48. Find the work done in moving an object along a vector
a = 3i + 4j if the force applied is b = 2i + j.
A. 8
C. 10
B. 9
D. 12
49. Find the point where the normal to y = x + x^(1/2) at
(4, 6) crosses the y-axis.
A. 5.75
B. 9.2
50. Determine the sum of the
the simultaneous
C. 23
D. 11
positive-valued solutions to
zx = 21.
C. 17
D. 15

Transcribed Image Text:32. Determine B such that 3x + 2y -7=0 is perpendicular to 2x By +2=0 A. 5 B. 4 33. Carmela and Marian got summer jobs at the ice cream shop and were A. 15 B. 6 supposed to work 15 hours per week each for 8 weeks. During that time, Marian was ill for one week and Carmela took her shifts. How many hours did Carmela work during the 8 weeks? A. 120 B. 135 34. A certain brand of soap was advertised. 40 percent only watched the advertisement, 20 percent used the soap and 15 percent watched the advertisement and used the product as well. From this datum, find the number of users who didn't use the new soap. A. 37.5 C. 40 D. 30 B. 25 35. The sum of two numbers is 21 and one number is twice the number. Find the smaller number. C. 3 D. 2 C. 150 D. 185 A. 4p B. 2p C. 14 D. 7 36. A solid has a base in the form of an ellipse with major axis 10 and minor axis 8. Find the volume if every section perpendicular to the major axis is an isosceles triangle with altitude 6. A. 88.60 B. 95.32 A. 125.7 B. 219.9 37. REE-Sept 2019. What is y =x^3, the x axis and the A. 5.24 B. 5.42 38. Mr. Cruz owns a jewelry store. He marks up all merchandise 50 percent of cost. If he sells a gold ring for P15,000, what did he pay the wholesaler for it? A. P5000 P7500 C. D. P12000 B. P10000 39. The length of the latus rectum of the parabola y^2 = 4px is: C. 157.1 D. 188.5 4 of 5 C. P D. -4p 40. The volume of a hemisphere of radius 2m is A. 14.67 cu.m. B. 67.04 cu.m. 41. REE-Sept 2018. Radium decomposes at a rate proportional to the amount at any instant. In 100 years, 100 mg of radium decomposes to 96 mg. How many mg will be left after 100 years? the area bounded by the curve line x = -1 and x = 1? C. 4.25 D. 2.45 C. 16.76 cu.m. D. 33.52 cu.m. C. 92.16 D. 90.72 42. The dimensions of a rectangular block of wood were found to be 100, 120, and 200mm, with a possible error of

Expert Solution

Step by step

Solved in 4 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, civil-engineering and related others by exploring similar questions and additional content below.

Similar questions