Recent content by psingh

Homework Statement Consider the electron wave function where x is in nm: psi(x)=cx |x|<= 1nm & c/s |x| => 1 nm Determine the normalization constant c Homework Equations integral(|psi(x)|^2) dx=1 between infinity and negative infinity The Attempt at a Solution this may...

Oh okay that makes sense! Stupid simple mathematical error on my part for some reason i wrote (-2)^2 = -4. Thanks for all your help! :)

I think i get what you're saying, and it makes sense but I am for some reason still arriving at the wrong answer. can you check my work. The Consevation of linear momentum is m1v1=m2v2 but if the total has to equal zero then 0=3x+6y where x and y are their respective velocities. making...

Homework Statement A 9.0 kg artillery shell is moving to the right at 100 m/s when suddenly it explodes into two fragments, one twice as heavy as the other. Measurements reveal that 900 J of energy are released in the explosion and that the heavier fragment was in front of the lighter...

Homework Statement What is the length of a one-dimensional box in which an electron in the n=1 state has the same energy as a photon with a wavelength of 500 nm Homework Equations E=h^2/8mL^2 and E=hc/lambda making it L=sqrt( (h*lambda)/(8cm) ) The Attempt at a Solution I...

A sphere of radius R has total charge Q. the volume chrage density within the sphere is p=p_0(1-r/R) the charge density decreases linearly from p_0 at the center to zero at the edge of the sphere. 1) show that p_0= 3Q/pi*R^3 to find this i used p*volume=Q Q/volume=p...

oye you're right neg. slope =] thankss

What is the x-component of the force on the particle at x=5, 15, 25, and 35 cm i thought it was just the slope?!? but I am wrong ,some help? x=15 i know F=0

oo thanks a lot i got it now =]

yea i understand the question a tiny bit more, but don't you have to find the volume of water being pumped up? this is what i got so far but I am completely not sure since its 2 hp.. 745.8w*2*3600s= is the energy of the motor in 1 hour. h= -10 or 10 depending on where u place your axis...

A 2.0 hp electric motor on a water well pumps water from 10 m below the surface. The density of water is 1.0 kg per liter. How many liters of water does the motor pump in 1 hr? im not sure what equation to use on this problem, so if anyone could let me know that would be good thanks!

thanks! ooo i see where i messsed up. on the bottom box for the mass, i made it 7 instead of just 3kg. thanks a lot!

The coefficient of static friction is 0.60 between the two blocks in figure. The coefficient of kinetic friction between the lower block and the floor is 0.20. Force causes both blocks to cross a distance of 5.0 m, starting from rest. What is the least amount of time in which this motion can...

for my radius i got 0.289m i understand that the x components are the radial components and u set that equal to centrip. accel, but what i don't get is how to find the tension

o yeaa its not drawn to scalee