Recent content by Mech-Master

Hello everyone, Assume that you have a flat plate, that is moving up and down in a sinusoidal motion with the following equation: y = yo*sin(2*pi*f*t) where yo is the amplitude of the motion, f is the frequency and t is time. There is another smaller size plate attached to the edge...

Anyone, please?

Hello everyone, Assume that you have a flat plate, that is moving up and down in a sinusoidal motion with the following equation: y = yo*sin(2*pi*f*t) where yo is the amplitude of the motion, f is the frequency and t is time. There is another smaller size plate attached to the edge...

Thank you, Does the following work out as well? V = f(y) therefore, u_v = √( (dv/dy * u_y)^2) where dv/dy = dv/dt * dt/dy y = Asin(2*pi*t*f + ø) t = (arcsin(y/A) - ø) / (2*pi*f) (then differentiate to get dt/dy) ? Also, if this DOES work. I will need to sum up dv/dt...

Yes I mean (dv/dt*u_t)^2. I do not have time uncertainty. The only thing I have is position (y) uncertainty. For this reason, I could not do the uncertainty analysis based on V=2 pi f A cos(...).

Homework Statement Hey everyone, I've data for some oscillatory motion. I used MATLAB to find line of best fit for the data. I got a line of the following form y = A*sin(2*pi*f*t + ø) I got the root mean square error between my data and the line of best fit (call it u_y) Now I want to...

I'm designing a pipe-line and need to choose a specific value for pipe roughness. I'm trying to do dimensional analysis to find the needed pi groups. That's what I did ε (roughness of the pipe) = fcn(V,D, ρ μ) V = Velocity D = Diameter ρ = density μ = viscosity Is...

Homework Statement An object of mass m falls from rest at a point near the Earth's surface. If the air resistance is proportional to the velocity v^2, the differential equation for the velocity as a function of time is given by m*dv/dt = mg - cv^2 For the given paraments g = 9.81 m/s^2. m...

An object of mass m falls from rest at a point near the Earth's surface. If the air resistance is proportional to the velocity v^2, the differential equation for the velocity as a function of time is given by: m*dv/dt = mg - cv^2 a) Derive the exact solution done this part, and i got v...

Fall: Engineering Mechanics: Statics Physics II Differential Equations Some Elective Winter: Engineering Mechanics: Strength of Materials Linear Algebra Physics III Electrical Fundamentals I Spring: Electrical Fundamentals II Engineering Mechanics: Dynamics Engineering Statistics...

Hey guys, I am trying to understand where did this equation exactly come from. I know it is very complex, but anyone can explain it to me in the best way possible?

my reflection in the mirror will move towards me wouldn't it?(will move towards the mirror from the other side if you know what I mean haha) i am not sure if it will move at the same speed (5m/sec) or if you run towards the mirror with the speed 5m/sec, your reflection runs towards the...

If you are running towards a mirror at 5m/sec, at what speed is your reflection moving towards you?