Recent content by MissEuropa

Thanks, I wouldn't of caught that. So I've edited my limits of integration: 1/2 [SIZE="6"]∫ ((4-x)-(2-3x)) = 4.25 -1 2 [SIZE="6"]∫ ((4-x)-(x))= (7/4) 1/2 4.25-(7/4) = 2.5 Alas, I am still incorrect. Is there something else I am missing? Thanks again.

Homework Statement Sketch the region enclosed by the curves and compute its area as an integral along the x or y axis. y+x=4 y-x=0 y+3x=2 Homework Equations [SIZE="6"]∫ top function - bottom function dx OR [SIZE="6"]∫ right function-left function dy The Attempt at a Solution...

Nice ones!

What does the pendulum's period depend on? ^That is the most missed question on the Pendulum Practical Assignment I lead for introductory physics.

Yup, I agree with Villyer, they appear right to me as well. :-)

After some rooting around and Wiki (how I love Wiki) I found that: v=√T/μ Where μ is mass per unit length. v=λf I plugged in the values for λ (wavelength) and f (frequency) to solve for velocity. Then I symbolically solved the first equation for T: T=v2*μ And BAM I got tension...

Homework Statement With what tension must a rope with length 2.20m and mass 0.100kg be stretched for transverse waves of frequency 43.0Hz to have a wavelength of 0.700m? Homework Equations No idea The Attempt at a Solution I am completely oblivious as to where to start this...

Awesome, that did help a lot. I think I was not going down that route because I didn't consider that the k's would cancel out. :-) Thanks again!

Homework Statement When a 0.870kg mass oscillates on an ideal spring, the frequency is 1.33Hz. a) What will the frequency be if 0.290kg are added to the original mass? Try to solve this problem without finding the force constant of the spring. b) What will the frequency be if 0.290kg are...

Thankies! So, I started from the beginning again, as not to confuse myself. Calculated the inertia of the Earth (which is why I was missing a mass component in my final answer) and got it right. Symbolic math is the way to go for the most part, then plugging in numbers afterward. I ended...

Just caught that. I'm reworking now and I'll update soon. :-) thanks for the help

Homework Statement A)Calculate the magnitude of the angular momentum of the Earth in a circular orbit around the sun. B) Is it reasonable to model it as a particle? Yes, considering the size of the Earth in comparison of its orbit around the sun it is reasonable to model it is a particle...

Homework Statement You are at the controls of a particle accelerator, sending a beam of 3.60×10^7 protons (mass m ) at a gas target of an unknown element. Your detector tells you that some protons bounce straight back after a collision with one of the nuclei of the unknown element. All such...

Update, just for kicks I tried adding 180 to the angle of -55 degrees. I calculated 124.83 (mostly drawing on inspiration from what you said was in your physics book and trying to scale my answer accordingly) and HA! Masteringphysics graded this as correct. My only problem now is understanding...

when I take inverse tangent of (-4.16745/2.9) (y/x) I get -55.167, since its asking for the angle counterclockwise from the positive x-axis I added 360, which gave me an angle of 304 degrees, masteringphysics says this is incorrect. I've also tried entering 180-inversetangent(-4.16745/2.9) and...