登录 注册

-理学Science- 数学类Mathematics 化学类Chemistry 物理类Physics 生命科学Life Science 城市规划Urban Planning 建筑与景观设计Architecture and Landscape Design 心理与认知科学类Psychology and Cognitive Science 地球与空间科学Earth and Space Science
-信息与工程Information and Engineering- 信息科学技术类Information Science and Technology 计算机类Computing 人工智能类Artificial Intelligence 材料科学与工程Materials Science and Engineering 件与微电子Software and Microelectronics 自动化Automation 集成电路Integrated Circuits 土木工程Civil Engineering 水利水电工程Water Conservancy & Hydropower Engineering 建筑管Construction Management 环境工程Environmental Engineering 机械工程Mechanical Engineering 能源与动力工程Energy and Power Engineering 车辆与运载Vehicles and Transportation 工业工程Industrial Engineering 工程力学Engineering Mechanics 航天宇航工程Aerospace Engineering 电子工程Electronic Engineering 电气工程Electrical Engineering
-商科Business- 经济Economics 管理科学Management Science 金融Finance 会计Accounting 创新创业Innovation and Entrepreneurship 领导力与组织管理Leadership and Organization Management 市场营销Marketing
-人文及社科Arts, Humanities and Social Science- 历史History 哲学Philosophy 电影学Film 政治Politics 法律Laws 文学Literature 社会学Sociology 国际关系学International Relations 教育学Education 艺术学Fine Arts 语言类Languages 传媒类Media
-医学Medicine- 药学Pharmacy 护理学Nursing 基础医学Basic Medicine 临床医学Clinical Medicine 生物医学工程Biomedical Engineering
会计Accounting
经济Economics
金融Finance
领导力与组织管理Leadership and Organization Management
土木工程Civil Engineering
计算机类Computing
其他 All Others
AND What are the coordinates of point C in the CartesianaxisThe position vector from A to B can be written asThe position vector from A to C can be written asWhat is the angle between FB andFc in degrees (write your answer without units)Determine the magn
匿名用户 匿名用户 2021-11-29 17:06 土木工程Civil Engineering

AND What are the coordinates of point C in the CartesianaxisThe position vector from A to B can be written asThe positio... 查看全部

  • 2021-11-29 17:06

  • 0

    赞同

  • 1

    回答
A rod AB is made of brass (E=105 GPa; a=20.9 x 10-6/°C) and rod CD of aluminum (E=70 GPa; a=23.6 x 10-6/°C). Knowing that at a temperature of 15 °C gap exists between the ends of the two rods. Determine (a) the normal stress in each rod after the temperat
匿名用户 匿名用户 2021-11-29 17:06 土木工程Civil Engineering

A rod AB is made of brass (E=105 GPa; a=20.9 x 10-6/°C) and rod CD of aluminum (E=70 GPa; a=23.6 x 10-6/°C). Knowing tha... 查看全部

  • 2021-11-29 17:06

  • 0

    赞同

  • 1

    回答
B6. For the beam with the distances x = 3 m and x3 = 2 m and loading angles of 0 = 37 degrees, determine 100 KN 0.5 m 0.5 m 150 KN X a) the normal reaction at the roller support A (kN). Answer: Check a) the normal reaction at the roller support A (kN). b)
匿名用户 匿名用户 2021-11-29 17:06 土木工程Civil Engineering

B6. For the beam with the distances x = 3 m and x3 = 2 m and loading angles of 0 = 37 degrees, determine 100 KN 0.5 m 0.... 查看全部

  • 2021-11-29 17:06

  • 0

    赞同

  • 1

    回答
8. Determine membrane area needed for RO system to produce water that contains NaCl of 500 mg/L with flow rate of 1000 m /d. Note that the feed concentration of NaCl is 3000 mg/L. Assume R = 90%, pump pressure is 45 atm. The constant of membrane (k) is 2.
匿名用户 匿名用户 2021-11-29 17:06 土木工程Civil Engineering

8. Determine membrane area needed for RO system to produce water that contains NaCl of 500 mg/L with flow rate of 1000 m... 查看全部

  • 2021-11-29 17:06

  • 0

    赞同

  • 1

    回答
TASK 3 A tipper with mass Mī rolls down a sloping rail body. The tipper rolls without friction. The dump truck ends on a horizontal rail body, where it hits a container with the mass Mc, which is located across the rails. The collision is completely inela
匿名用户 匿名用户 2021-11-29 17:06 土木工程Civil Engineering

TASK 3 A tipper with mass Mī rolls down a sloping rail body. The tipper rolls without friction. The dump truck ends on a... 查看全部

  • 2021-11-29 17:06

  • 0

    赞同

  • 1

    回答
a tank is in the frustum of a right circular cone is supported(held together) with steel hoops at the bottom and the top. thediameter at the top is 1.20m and 1.80m at the bottom and is 1.80high. if the tank is filled with 900mm of oil of specific gravityi
匿名用户 匿名用户 2021-11-29 17:06 土木工程Civil Engineering

a tank is in the frustum of a right circular cone is supported(held together) with steel hoops at the bottom and the top... 查看全部

  • 2021-11-29 17:06

  • 0

    赞同

  • 1

    回答
TASK 1 Two cars, A and B, start at the same time to= 0 from the same position xo= 0 and drive along the same straight lane A can with constant acceleration increase the speed from 0 to 90 km/h in 12.5 seconds. Car A gets one engine problem after 7.5 secon
匿名用户 匿名用户 2021-11-29 17:06 土木工程Civil Engineering

TASK 1 Two cars, A and B, start at the same time to= 0 from the same position xo= 0 and drive along the same straight la... 查看全部

  • 2021-11-29 17:06

  • 0

    赞同

  • 1

    回答
Determine the magnitude of the resultant force acting on the bracket and its directional angles F1=500N 45° 30° 60° 45 F2=400N Probe
匿名用户 匿名用户 2021-11-29 17:06 土木工程Civil Engineering

Determine the magnitude of the resultant force acting on the bracket and its directional angles F1=500N 45° 30° 60° 45 F... 查看全部

  • 2021-11-29 17:06

  • 0

    赞同

  • 1

    回答
TASK 2 mi li у wwwww X A block with mass mi lies on a carousel and is held to the axis of rotation z by a spring. When the carousel rotates, the block will move in a circular orbit with a constant radius R. M=1.2 kg; R= 1.2 m; Spring constant k = 120 N/m;
匿名用户 匿名用户 2021-11-29 17:06 土木工程Civil Engineering

TASK 2 mi li у wwwww X A block with mass mi lies on a carousel and is held to the axis of rotation z by a spring. When t... 查看全部

  • 2021-11-29 17:06

  • 0

    赞同

  • 1

    回答
2. During the lecture, we have presented the Rankine Theory of Earth Pressure. Consider a wall to retain a soil mass as shown in the figure below. The stresses in an element are also shown in the figure. If the wall is allowed to move towards the soil gra
匿名用户 匿名用户 2021-11-29 17:06 土木工程Civil Engineering

a tutorial question about geotechinal and foundationengineering2. During the lecture, we have presented the Rankine Theo... 查看全部

  • 2021-11-29 17:06

  • 0

    赞同

  • 1

    回答