# Recent content by Browne

1. ### Inclined plane question?

After he reaches Vmax, the incline becomes 0°
2. ### Inclined plane question?

Ah, the problem is the interpretation of the question. I think the problem was intended to mean that he starts travelling horizontally (at the bottom of the hill) when he enters the snow.
3. ### Inclined plane question?

How did you use that velocity to get 175m? When I calculated it, I got 57m.
4. ### Clarification of homework question meaning

I'm pretty sure that your professor does want you to find what the relative uncertainty is (which is Δp/p). The key to this problem is that Δx depends on p.
5. ### Increase in amplitude of an electron wave

The wavefunction of a particle must satisfy the following condition: \int_{-\infty}^{\infty} |\Psi|^2 dx = 1 Basically, this means that the total probability of finding the particle anywhere is one. It doesn't really make sense otherwise. If you were to increase the amplitude of the...
6. ### Finding the length of a vector given the magnitudes

Use the law of cosines. It is a more general form of the Pythagorean Theorem. http://en.wikipedia.org/wiki/Law_of_cosines