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61 Answered Questions for the topic civil engineering

Civil Engineering Math Physics

29d

The volleyball is played with a ball of about 270 g and 21 cm in diameter.

In one game, the ball ended up in a pool with so much strength that it almost reached the bottom of it and then went up to the surface.Calculate:a) The force exerted by the pool water on the... more
Civil Engineering Math Physics

30d

A 20 cm high polystyrene board with a surface area of 40 dm2 is floating in the water.

a) What fraction of its volume is above the water surface?b) If a 35 kg child is placed on this board, what will be the fraction of its volume that is above the water surface?Data: Polystyrene... more
Civil Engineering Math Physics

30d

A piece of copper immersed in water has an apparent weight of 2.65 N and when it is immersed in a liquid of density 1.50 x 103 kg/m3 its apparent weight is 2.50 N.

Is it pure copper or does it contain any other metal? Copper density 8.9 X 103 kg/m3.
Civil Engineering Math Physics

30d

A fluid pressure gauge, called a Venturi tube, or venturer, is a device designed to measure the velocities of fluids flowing through pipes.

It consists of a tube that is inserted in the pipe, has the same diameter as this one, gradually narrowing and then increasing, the section also gradually to avoid the formation of swirls and thus... more
Civil Engineering Math Physics

30d

The volleyball is played with a ball of about 270 g and 21 cm in diameter.

In one game, the ball ended up in a pool with so much strength that it almost reached the bottom of it and then went up to the surface.Calculate: a) The force exerted by the pool water on the ball.... more
Civil Engineering Math Discrete Math

10/09/20

Please help with this question!!!

The cardinality of the set                          is  , while the cardinality of the set  is -----------  while the cardinality of the set   is--------
Civil Engineering Math Discrete Math

10/02/20

Please help with the following math question!!!

Let  and    and . Which of the following statements is (are) true?(can have many answers)a.)b.)c.)d.)e.)f.) Which of the following statements is (are) true?  .  Which of the following statements is... more
Civil Engineering Math Discrete Math

10/02/20

Please help with the power set!!!!

Which of the following is the power set of ? a.) 4b.)c.)d.)e.)     ?
Civil Engineering Math Discrete Math

10/02/20

Please help with the following is a subset!!!

Which of the following is a subset of ?Note: There may be multiple correct answers!a.) b.) c.) d.) e.)
Civil Engineering Math Discrete Math

10/02/20

Please help with the cardinality of the following set!!!!

What is the cardinality of the following set?(This can have many answers)a.) 0b.) 4c.) 7d.) 3
Civil Engineering Math Discrete Math

10/02/20

Please help with this question!!!

Consider the set          .Which of the following is the corresponding set builder notation for the above set?a.) b.) c.)d.)
Civil Engineering Math Calculus

09/29/20

Please help with logical equivalences!!!

Let  and  be any given sets. Use set builder notation and logical equivalences to show that       .
Civil Engineering Math Calculus

09/21/20

Please help with this question!

In each of the following, decide whether the given quantified statement is true or false (the domain for both  and  is the set of all real numbers). Provide a brief justification in each... more
Civil Engineering Math Calculus

09/21/20

Please help with this question!

In each of the following, decide whether the given quantified statement is true or false (the domain for both  and  is the set of all real numbers). Provide a brief justification in each... more
Civil Engineering Math Calculus

09/21/20

Please help with this question!!!

Negate the following statement:                  Is the negation true or false? Briefly justify your answer.
Civil Engineering Calculus Algebra

09/18/20

Cliff left point A at 8 A.M. walking east at 3 kph. Renz left point A at 9 A.M. walking north at 4 kph.

PLEASE HELP ME TO ANSWER IT I DON'T GET IT. THANKS IN ADVANCE :)(a) Express the distance between Cliff and Renz as a function ofthe time t elapsed since 8 A.M.(b) How far apart are Cliff and Renz... more

08/22/20

Civil Engineering

The diameter of the brass and steel segments of the axially loaded bar shown in fig. are 30 mm and 12 mm respectively. The diameter of the hollow section of the brass segment is 20 mm. Determine... more
Civil Engineering Science Physics

08/20/20

Engineering Project Planning Insight

Hello to anyone reading this!I am currently working on a project involving the analysis of real world systems for my engineering mechanics class. The systems that I have chosen would involve... more
Civil Engineering Physics Electrical Engineering

08/20/20

Ventilation of a thick, metal Faraday Cage/Physics or Engineering question

How can you permit airflow in a faraday cage built of thick metal that shields high and low frequencies?
Civil Engineering Math Statistics

08/19/20

what statistical questions would you advise to use in the survey for the research?

Situation:You are assigned to be a researcher for a local construction firm. The company is targeting 4 different places to construct subdivisions.
Civil Engineering Physics Mechanical Engineering

05/01/20

Maximum deflection of a beam

Imagine having a equation of a beam as follows and we have to solve this for x. Note that the [] square brackets denote terms involving Macaulay's notation.How do we solve for x when Macaulay's... more
Civil Engineering Physics Mechanical Engineering

04/28/20

Structural Analysis/beams/deflection

Question :The cantilever beam AB of length L carries a uniformly distributed W load , which includes the weight of the beam.(Note that the left end end A is free , while right end has a fixed... more
Civil Engineering Mechanical Engineering Statics

03/01/20

Deflection/stress/torque in a horizontal crane

I made a google drive link to the problem (as I cannot paste images on here): https://drive.google.com/file/d/1r9vwwLlm0KNfPZJfgtfgu6KW6wBKw9Ym/view?usp=sharingHow would you set up this problem? If... more
Civil Engineering Math Physics

02/24/20

Deflection of Beams

How do we find the relevant boundary conditions when finding deflection of beams using double integration method?
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