335 Answered Questions for the topic mechanical engineering

Mechanical Engineering Math Science Physics

03/16/24

Please help with this magnet physics problem
On the internet, I came across an interesting physics problem. Can you help with this:The weight of a small, flat refrigerator magnet is "M". We place the magnet on the refrigerator's vertical... more
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Mechanical Engineering Calculus Prealgebra Precalculus

03/14/24

Which of the following integrals represents the volume of the solid obtained by rotating the region bounded by the curves š‘¦=sin(š‘„) and š‘¦=0, with 0ā‰¤š‘„ā‰¤šœ‹ about the line š‘¦=1?
I keep getting it wrong. Here's the link to the question: https://ibb.co/BNDJS8J
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Mechanical Engineering Calculus Physics Precalculus

03/11/24

Find the volume of the solid obtained by rotating the region enclosed by...
Here's the link to the question. Can you please show me how to solve it and what is the answer? https://ibb.co/hMMfpP6
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Mechanical Engineering Calculus Precalculus Sat Math

03/11/24

Find the volume of the solid obtained by rotating the region bounded by the curves.
Find the volume of the solid obtained by rotating the region bounded by the curvesĀ y=tan^2(x), x=pi/4, x=0, and y=0 about the x-axis. PLEASE HELP ASAP.
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Mechanical Engineering Math Physics Physical Science

03/02/24

Movement of charged particles in a magnetic field-physics problem
I found this interesting physics problem on the internet:An electron-positron pair is created from a photon with an energy of 2 MeV passing by a nucleus with a high atomic number. In the Wilson... more
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Mechanical Engineering Physics

02/28/24

Find the Acceleration of a swinging bar and the forces on the struts
https://prnt.sc/G96geXdw_COLThe link leads to the picture of the problem. Essentially the problem is a 12 kg bar (4m in length) attached to the ceiling by 2 massless struts held initially at an... more
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Mechanical Engineering Physics Chemical Engineering

02/16/24

For a 2-component system existing in vapor liquid equilibrium (VLE) at constant pressure= 1 atm, which of the following statements can be correct?

For a 2-component system existing in vapor liquid equilibrium (VLE) at constant pressure= 1 atm, which of the following statements can be correct?a.) T and composition can be independently... more
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Mechanical Engineering Math Physics Physical Science

02/15/24

Please help- heat conduction and Newton's law of cooling
Criterion: The heat transfer coefficient is the same for the freezer and the refrigerator.Two bowls of the same size are filled with room-temperature coffee and then placed one in the freezer and... more
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Mechanical Engineering Math Calculus Prealgebra

02/12/24

Determine the following elementary matrices and their inverses. URGENT
No one answered my question the other time I posted. I'm not sure why I'm getting this question wrong. I have one last attempt. Please help asap! Here's the link to part 1:... more
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Mechanical Engineering Calculus Prealgebra Precalculus

02/10/24

Determine the Elementary Matrix (Linear Algebra)
I'm not sure why I'm getting this question wrong. I have one last attempt. Please help asap! Here's the link to part 1: https://ibb.co/mGkztbLAnd here's the link to part 2: https://ibb.co/z54SJ31
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Mechanical Engineering Math Calculus Sat Math

02/09/24

Solve for X (Linear Algebra)
I keep getting this question wrong and I have no idea how to do this. It would be really appreciated if you can help me. Here's the link to the example: https://ibb.co/pjTMyg2
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Mechanical Engineering Physics Chemical Engineering

02/02/24

Consider a piston cylinder set-up. The maximum work is aimed for a compression process. The process must be entirely:

Consider a piston cylinder set-up. The maximum work is aimed for a compression process. The process must be entirelyirreversiblereversibleadiabaticisothermalAll of these
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Mechanical Engineering Physics Chemical Engineering

02/02/24

Consider a piston cylinder set-up. The maximum work is aimed for a compression process. The process must be entirely :
Consider a piston cylinder set-up. The maximum work is aimed for a compression process. The process must be entirely-irreversible-reversible-adiabatic-isothermal-All of these
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Mechanical Engineering Math Physics Physical Science

01/31/24

An interesting projectile motion problem
I found this problem on the internet:Conditions are:No air resistance and the ball is a point of mass.Also, the size of the soccer goal is slightly different from the standard one.The... more
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Mechanical Engineering Calculus Trigonometry

01/27/24

Right Riemann Sum limit question URGENT
I have no idea how to find the last question regarding the limit of these Reimann sums as n approaches infinity. Please help! Here is the link to the example https://ibb.co/TbGg4Hs
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Mechanical Engineering

01/26/24

Thermodynamics properties
How do you determine the phase of water at 60Ā°C and 200 kPa?
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Mechanical Engineering Science Physics Physiology

01/25/24

Center of Mass During the Pullup
Hello,I'm trying to figure out the physics behind different pullup techniques. I read an article online that stated if you change your COM, you can effectively make the pullup easier. Physics of... more
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Mechanical Engineering Math Physics Physical Science

01/24/24

Physics problem: torque of forces
I came across this task on a website and have been curious about its solution, but Iā€™m having trouble figuring it out:First, let's assume that the springs barely stretch.A long, rigid pallet of... more
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Mechanical Engineering Math Linear Algebra

01/21/24

Linear Algebra and Matrices question. Solve the system.
It wouldn't let me paste the picture here so here's the link. PLEASE HELP ASAP!!! https://ibb.co/mtn6qX1
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Mechanical Engineering Calculus Physics Physical Science

01/20/24

Electricity and Magnetism question. Please help ASAP!
A uniformly charged insulating rod of lengthĀ 17.0Ā cm is bent into the shape of a semicircle as shown in the figure below. The rod has a total charge ofĀ āˆ’7.50Ā ĀµC. The link to the figure is... more
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Mechanical Engineering Math Physics Physical Science

01/12/24

Angular momentum of a rigid body physics problem
I came across this task on a website and have been curious about its solution, but Iā€™m having trouble figuring it out:A cube with side edges d=2m, with homogeneous mass distribution, slides with... more
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Mechanical Engineering Math Science Physics

01/11/24

Interesting friction physics problem

The following task was discussed on an internet site, and I also became curious about its solution, but I simply can't figure it out: On a horizontal, rough table, the coefficient of sliding... more
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Mechanical Engineering Math Calculus

01/11/24

Angular Rate of Change (No Calculator)
A squirrel is climbing up a tree attempting to escape from a dog that is sitting 5 feet from the base of the tree. The position of the squirrel at any time t > 0 is represented by the equation h... more
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Mechanical Engineering Math Calculus Chemical Engineering

01/11/24

Ladder Related Rates
A 30 ft ladder is leaning against the side of a building. You pull the base of the ladder away from the wall of the building at a rate of 9 in/sec.At what rate is the height of the ladder above the... more
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Mechanical Engineering Math Matlab

12/11/23

Biomechanics project - Matlab

Can you help walk through each problem (PDF can be shared) and share the matlab code (with notes?) Thank you. I have worked through this the best way I know how, I can share my results, but... more
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