335 Answered Questions for the topic mechanical engineering

Mechanical Engineering Math Calculus

10/07/22

Related Rates Problem I Can't Solve
Consider a right cone (pointed downwards) that is leaking water. The dimensions of the conical tank are a height of 19 ft and a radius of 8 ft.How fast (in ft/min) does the depth of the water... more
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Mechanical Engineering Linear Algebra Electrical Engineering

10/06/22

Using least squares data fitting on a spiral inductor, long process with little knowledge on how to even tackle a problem like this
Approximate inductance formula. A planar spiral inductor, implemented in CMOS, for use in RF circuits.The inductor is characterized by four key parameters:• 𝑛, the number of turns (which is a... more
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Mechanical Engineering Chemistry

10/05/22

Engineering materials

Name one example for each of the following? 1-Process using interstitial diffusion:2-Process using vacancy diffusion:3-Diffusing specie in iron (Fe):4-Driving force for steady-state... more
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Mechanical Engineering

09/20/22

Find the angle between two vector forces whose magnitudes are F and 3F and the magnitude of whose resultant is 3F.
Find the angle between two vector forces whose magnitudes are F and 3F and the magnitude of whose resultant is 3F.
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Mechanical Engineering Physics

09/19/22

Weight and Mass Conversion with Constant Acceleration
Hello, I'm having some issues with these homework questions and would appreciate a walkthrough of what kind of equation I'm supposed to use. Thank you in advance!"An astronaut weighs 658 N on... more
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Mechanical Engineering Math Trigonometry

09/13/22

Help me with these Trigonometry Problems
Please do provide a step-by-step solution and final answersSimplify following expression and use positive exponents only: √8/1-√3x √z(2)^5/z√2 √400x^4 (12^3m^33/4^-3)^2 w^3/2 √32 - w^3/2 √50 14√6 -... more
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Mechanical Engineering

08/30/22

Hi I was just wondering if I live in Canada could I still get a tutor?
I was just wondering because when I put my billing address it asks for postal code and it only recognizes the US and not Canada. Just wondering how I can find a tutor? Thanks.
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Mechanical Engineering Calculus Geometry

08/25/22

Volume unit conversion and Geometry

How do I go about converting and solving this question?The diameter of a drink container is 4.2 inches. Assuming that the container is a perfect cylinder, what is the height of the liquid in inches... more
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Mechanical Engineering Math Calculus

08/10/22

ROPE OPTIMIZATION PROBLEM

Two vertical poles PQ and ST are secured by a rope PRS going from the top of the first pole to a point R on the ground between the poles and then to the top of the second pole as in the figure. If... more
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Mechanical Engineering Math Physics Civil Engineering

08/03/22

Determine the minimum diamter required for the shaft of a simple torsion-bar.
A simple torsion-bar spring is shown. The shear stress in the steel [G = 11,500 ksi] shaft is not to exceed 11000 psi, and the vertical deflection of joint D is not to exceed 0.650 in. when a load... more
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Mechanical Engineering Math Physics Civil Engineering

08/03/22

Determine the internal bending moment and bending stress. Please help
The cross-sectional dimensions of a beam are shown. Assume bf=1.875 in., tf=tw=0.375 in. and d=4.75 in.(a) If the bending stress at point K is 2350 psi (T), determine the internal bending... more
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Mechanical Engineering Science Physics Act Science

08/02/22

Trolley travelling along a frictionless track
A trolley travels with initial speed v0 along a frictionless, horizontal, linear track. It slows down by ejecting gas in the direction of motion. The gas is emitted at a constant mass ejection rate... more
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Mechanical Engineering Math Mathematica

08/01/22

HELP, please. How can I get to that solution by solving the equation other than by trial and error?
Example 3.38. An electric cable of 12 mm diameter is insulated to increase the current capacity. Due to insulation the current carrying capacity is increased by 15% without increasing cable surface... more
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Mechanical Engineering Math Mathematica

08/01/22

HELP, please. How can I get to that solution by solving the equation other than by trial and error?
Example 3.38. An electric cable of 12 mm diameter is insulated to increase the current capacity. Due to insulation the current carrying capacity is increased by 15% without increasing cable surface... more
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Mechanical Engineering

07/10/22

What is the best step-by-step method to approach an engineering dynamics problem?

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06/14/22

Write a Programme using VAL for following weld to be made
Write a Programme using VAL for palletizing operation as shown in fig. The robot must pick up parts from an incoming conveyor & deposit them on to pallet. The pallet has four rows that are... more
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Mechanical Engineering Calculus

06/05/22

Find the complex potential function for V
Find the complex potential Φ(z) for v.Let v(x, y) = ⌈ 3x2− 3y2⌉ ⌊ −6xy ⌋The answer is Φ(z) = z3I need help to solve it i am not sure of how they got the answer
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Mechanical Engineering Physics

05/30/22

Why does folding a piece of paper allow it to hold more weight?
In this video: https://youtu.be/Ra_LM93R-Lk ,why does folding up the sides of the paper to make thicker walls on the bridge make the bridge so much stronger?
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Mechanical Engineering Physics

05/30/22

Why does folding a piece of paper allow it to hold more weight?
In this video: https://youtu.be/Ra_LM93R-Lk ,why does folding up the sides of the paper to make thicker walls on the bridge make the bridge so much stronger?
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Mechanical Engineering Steam Pressure Transmitter Boiler

05/29/22

Can I measure the water level in a pressurized tank using pressure transmitter?
Hi there,I have a water tank generating steam. I have a pressure transmitter (Ifm PA9024) where I get the pressure correctly (0-10 bar/volt).The transmitter is not in the bottom of the tank, it is... more
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04/21/22

Worker Health and Occupational Safety
List the responsibilities of engineers concerning occupational safety and health. Explain the legal responsibility of the engineer for different countries in detail, compare them, and support your... more
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Mechanical Engineering Civil Engineering

04/21/22

thesis literature review

I am doing a thesis on harvesting energy from natural waterfall such as after people have used a shower etc in a apartment block or sky scraper. I am struggling to think of some topics for my... more
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Mechanical Engineering Thermodynamics

03/16/22

Propulsion question
A medium sized aircraft with two turbojet engines installed is cruising at an altitude of 10000m at a Mach number of 0.8. At this flight condition, each engine has a net specific work output of 250... more
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Mechanical Engineering

03/05/22

Shear and Moment
Solve for the Shear forces and Moment of each point and Draw its shear and moment diagram.A simply supported beam with a fixed support(A) at left end and roller support(F) at right end. Point A has... more
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02/28/22

A chemist prepares a solution of nickel(II) chloride NiCl2  by measuring out 79.2μmol  of nickel(II) chloride into a 400 mL  volumetric flask and filling the flask to the mark with water.
Calculate the concentration in m/molL of the chemist's nickel(II) chloride solution. Round your answer to 3 significant digits.
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